{"id":1561,"date":"2026-04-22T16:30:53","date_gmt":"2026-04-22T16:30:53","guid":{"rendered":"https:\/\/shieldhz.com\/dc-isolator-switches\/gf40-pv-dc-isolator-switch\/"},"modified":"2026-05-08T08:39:08","modified_gmt":"2026-05-08T08:39:08","slug":"gf40-pv-dc-isolator-switch","status":"publish","type":"page","link":"https:\/\/shieldhz.com\/ar\/dc-isolator-switches\/gf40-pv-dc-isolator-switch\/","title":{"rendered":"\u0645\u0641\u0627\u062a\u064a\u062d \u0639\u0632\u0644 \u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0627\u0644\u0643\u0647\u0631\u0648\u0636\u0648\u0626\u064a GF40"},"content":{"rendered":"\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40css\" data-block-id=\"gf40css\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40css-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40cssc\" data-v=\"4\" 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td{padding:13px 14px;border-top:1px solid var(--border);color:#40516b;line-height:1.52;vertical-align:top}.shz-gf40-table tr:nth-child(even) td{background:#f8fafc}\n  @media(max-width:1080px){.shz-gf40-wrap{padding:64px 24px}}@media(max-width:690px){.shz-gf40-wrap{padding:48px 16px}.shz-gf40-btn{width:100%}.shz-gf40-h2{font-size:1.62rem}}\n<\/style>\n\n\n<!-- SHZ-GF40-GLOBAL END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40hero\" data-block-id=\"gf40hero\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40hero-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40heroc\" data-v=\"4\" data-block-id=\"gf40heroc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40heroc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40heroc-inner-blocks\">\n<!-- SHZ-GF40-SEC1 HERO START -->\n<section class=\"shz-gf40 shz-gf40-hero\" aria-label=\"GF40 PV DC Isolator Switch\">\n  <style>\n    .shz-gf40-hero{position:relative;background:#111c2e;overflow:hidden}.shz-gf40-hero-stage{position:relative;min-height:700px;padding:108px 0 170px;background:#111c2e;display:flex;align-items:center;overflow:hidden}.shz-gf40-hero-bg{position:absolute;top:0;right:0;width:76%;height:100%;z-index:0;background:#111c2e;overflow:hidden}.shz-gf40-hero-bg img{width:100%;height:100%;object-fit:cover;object-position:58% center;display:block;padding:0;background:#111c2e;filter:saturate(.92) contrast(1.03);opacity:.86}.shz-gf40-hero-bg:after{content:\"\";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#111c2e 0%,rgba(17,28,46,.98) 22%,rgba(17,28,46,.72) 48%,rgba(17,28,46,.42) 70%,rgba(17,28,46,.66) 100%),linear-gradient(180deg,rgba(17,28,46,.16) 0%,rgba(17,28,46,.34) 100%)}.shz-gf40-hero-mask{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#111c2e 0%,rgba(17,28,46,.98) 26%,rgba(17,28,46,.78) 48%,rgba(17,28,46,.34) 74%,rgba(17,28,46,.58) 100%)}.shz-gf40-hero-wrap{position:relative;z-index:2;width:100%;max-width:1440px;margin:0 auto;padding:0 5vw}.shz-gf40-hero-content{max-width:700px}.shz-gf40-hero .shz-gf40-kicker{color:#8da4c8}.shz-gf40-hero .shz-gf40-kicker:before{background:#294370}.shz-gf40-title{color:#fff;margin:0 0 18px;text-shadow:0 6px 20px rgba(6,12,24,.22)}.shz-gf40-title-line{display:block;font-weight:850;letter-spacing:0;line-height:.98}.shz-gf40-title-line.is-main{font-size:clamp(2.2rem,4.2vw,4.75rem)}.shz-gf40-title-line.is-sub{font-size:clamp(1.22rem,2.1vw,2.25rem);opacity:.76;font-weight:760}.shz-gf40-hero-desc{color:#dbe4f1;font-size:1.02rem;line-height:1.64;margin:0 0 22px;max-width:58ch}.shz-gf40-hero-actions{display:flex;flex-wrap:wrap;gap:10px}.shz-gf40-hero 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@media(max-width:690px){.shz-gf40-hero-stage{min-height:auto;padding:0;display:block;background:#111c2e}.shz-gf40-hero-bg{position:relative;width:100%;height:clamp(280px,66vw,430px);right:auto;top:auto;overflow:hidden}.shz-gf40-hero-bg img{height:100%;padding:0;object-position:center;opacity:.82}.shz-gf40-hero-bg:after{background:linear-gradient(180deg,rgba(17,28,46,.08) 0%,rgba(17,28,46,.24) 46%,#111c2e 100%)}.shz-gf40-hero-mask{background:linear-gradient(180deg,rgba(17,28,46,0) 0%,rgba(17,28,46,.18) 38%,#111c2e 100%)}.shz-gf40-hero-wrap{padding:28px 16px 0;margin-top:-32px}.shz-gf40-title-line.is-main{font-size:clamp(2.05rem,10vw,3.2rem)}.shz-gf40-title-line.is-sub{font-size:clamp(1.16rem,6.3vw,1.86rem)}.shz-gf40-hero-desc{font-size:.95rem;line-height:1.62;max-width:100%}.shz-gf40-hero-actions .shz-gf40-btn{width:100%}.shz-gf40-hero-metrics{position:relative;left:auto;bottom:auto;transform:none;width:calc(100% - 32px);margin:22px auto 0;border-radius:12px}.shz-gf40-hero-metrics-grid{grid-template-columns:repeat(2,1fr)}.shz-gf40-hero-metric{padding:14px 10px;border-right:1px solid rgba(200,216,238,.2);border-bottom:1px solid rgba(200,216,238,.2)}.shz-gf40-hero-metric:nth-child(2n){border-right:none}.shz-gf40-hero-metric:last-child{grid-column:1\/-1;border-right:none;border-bottom:none}}\n  <\/style>\n  <div class=\"shz-gf40-hero-stage\"><div class=\"shz-gf40-hero-bg\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-gf40-pv-dc-isolator-switch-combine-banner.png\" alt=\"Shieldhz GF40 PV DC isolator switch IP66 waterproof box and panel mount variants\" loading=\"eager\" decoding=\"async\"><\/div><div class=\"shz-gf40-hero-mask\"><\/div><div class=\"shz-gf40-hero-wrap\"><div class=\"shz-gf40-hero-content\"><span class=\"shz-gf40-kicker\">GF Series PV DC Isolation<\/span><h1 class=\"shz-gf40-title\"><span class=\"shz-gf40-title-line is-main\">GF40 PV DC<\/span><span class=\"shz-gf40-title-line is-sub\">Isolator Switch<\/span><\/h1><p class=\"shz-gf40-hero-desc\">IP66 enclosed PV DC isolator for string isolation, rooftop service disconnects, and inverter-side DC switching, with M20, M25, or MC4 cable entries.<\/p><div class=\"shz-gf40-hero-actions\"><a class=\"shz-gf40-btn shz-gf40-btn-primary\" href=\"#gf40-models\">Compare Models<\/a><a class=\"shz-gf40-btn shz-gf40-btn-secondary\" href=\"#ct-popup-1234\">Request GF40 Quote<\/a><\/div><\/div><\/div><div class=\"shz-gf40-hero-metrics\"><div class=\"shz-gf40-hero-metrics-grid\"><div class=\"shz-gf40-hero-metric\"><b>1000-1200VDC<\/b><span>Standard Route<\/span><\/div><div class=\"shz-gf40-hero-metric\"><b>10A-32A<\/b><span>Enclosed Current<\/span><\/div><div class=\"shz-gf40-hero-metric\"><b>IP66<\/b><span>Box Protection<\/span><\/div><div class=\"shz-gf40-hero-metric\"><b>M20 \/ M25 \/ MC4<\/b><span>Connection<\/span><\/div><div class=\"shz-gf40-hero-metric\"><b>IEC 60947-3<\/b><span>Standard<\/span><\/div><\/div><\/div><\/div>\n<\/section>\n<!-- SHZ-SERIES-TRUSTBAR: Certification logo marquee copied from LW28 series page -->\n<style id=\"shz-series-trustbar-style\">\n  .shz-series-trustbar{--tb-item:260px;--tb-gap:24px;position:relative;padding:20px 0;margin:0;overflow:hidden;background:#f4f7fb;border-bottom:1px solid #e0e8f0}\n  .shz-series-trustbar-inner{position:relative;z-index:1;max-width:1440px;margin:0 auto;padding:0 16px}\n  .shz-series-trustbar-head{display:flex;align-items:center;gap:10px;margin:0 0 12px;color:#7a90ad;font-size:.74rem;text-transform:uppercase;letter-spacing:.10em;font-weight:700}\n  .shz-series-trustbar-head:before,.shz-series-trustbar-head:after{content:\"\";flex:1;height:1px;background:#dde4ed}\n  .shz-series-trustbar-viewport{width:100%;overflow:hidden}\n  .shz-series-trustbar-track{display:flex;width:max-content;animation:shzSeriesTrustScroll 18s linear infinite;will-change:transform}\n  .shz-series-trustbar-set{display:flex;align-items:center;gap:var(--tb-gap);min-width:calc((var(--tb-item) * 7) + (var(--tb-gap) * 6));padding-right:var(--tb-gap)}\n  .shz-series-trustbar-item{width:var(--tb-item);height:88px;border-radius:10px;border:1px solid #dde4ed;background:#fff;box-shadow:0 2px 8px rgba(17,28,46,.08),0 1px 2px rgba(17,28,46,.04);display:flex;align-items:center;justify-content:center;padding:8px 14px;flex:0 0 auto}\n  .shz-series-trustbar-item img{height:44px;width:auto;max-width:100%;object-fit:contain;display:block}\n  @keyframes shzSeriesTrustScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}\n  @media(max-width:690px){.shz-series-trustbar{--tb-item:210px;--tb-gap:14px}.shz-series-trustbar-item{height:74px}.shz-series-trustbar-item img{height:36px}.shz-series-trustbar-track{animation-duration:15s}}\n<\/style>\n<section class=\"shz-series-trustbar\" aria-label=\"Certifications and standards\">\n  <div class=\"shz-series-trustbar-inner\">\n    <div class=\"shz-series-trustbar-head\">Certified &amp; Standards-Based<\/div>\n    <div class=\"shz-series-trustbar-viewport\">\n      <div class=\"shz-series-trustbar-track\" aria-hidden=\"true\">\n        <div class=\"shz-series-trustbar-set\">\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ce-mark.webp\" alt=\"CE conformity mark certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-tuv-rheinland-mark.webp\" alt=\"TUV Rheinland certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ul-mark.webp\" alt=\"UL certification mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ccc-mark.webp\" alt=\"China Compulsory Certification CCC mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ukca-mark.webp\" alt=\"UKCA conformity assessment mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-rohs-mark.webp\" alt=\"RoHS compliance certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-iso-9001-mark.webp\" alt=\"ISO 9001 quality management certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n        <\/div>\n        <div class=\"shz-series-trustbar-set\">\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ce-mark.webp\" alt=\"CE conformity mark certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-tuv-rheinland-mark.webp\" alt=\"TUV Rheinland certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ul-mark.webp\" alt=\"UL certification mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ccc-mark.webp\" alt=\"China Compulsory Certification CCC mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-ukca-mark.webp\" alt=\"UKCA conformity assessment mark logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-rohs-mark.webp\" alt=\"RoHS compliance certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n          <div class=\"shz-series-trustbar-item\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-certification-iso-9001-mark.webp\" alt=\"ISO 9001 quality management certification logo\" loading=\"lazy\" decoding=\"async\"><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- SHZ-GF40-SEC1 HERO END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40overview\" data-block-id=\"gf40overview\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40overview-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40overviewc\" data-v=\"4\" data-block-id=\"gf40overviewc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40overviewc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40overviewc-inner-blocks\">\n<!-- SHZ-GF40-SEC2 OVERVIEW START -->\n<section class=\"shz-gf40 shz-gf40-overview\">\n  <style>.shz-gf40-overview{background:#f3f5f7}.shz-gf40-overgrid{display:grid;grid-template-columns:1.02fr .98fr;gap:30px;align-items:center}.shz-gf40-media{padding:24px;background:#fff}.shz-gf40-media img{width:100%;height:auto;display:block;object-fit:contain}.shz-gf40-featuregrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px}.shz-gf40-feature{padding:16px;border:1px solid var(--border);border-radius:10px;background:#fff}.shz-gf40-feature b{display:block;color:var(--primary);font-size:.96rem;margin-bottom:6px}.shz-gf40-feature span{display:block;color:var(--muted);font-size:.9rem;line-height:1.5}@media(max-width:980px){.shz-gf40-overgrid{grid-template-columns:1fr}.shz-gf40-featuregrid{grid-template-columns:1fr}}<\/style>\n  <div class=\"shz-gf40-wrap shz-gf40-overgrid\"><div><span class=\"shz-gf40-kicker\">Product Route<\/span><h2 class=\"shz-gf40-h2\">Outdoor PV String Isolation With A Serviceable IP66 Box<\/h2><p class=\"shz-gf40-lead\">GF40 fits outdoor PV circuits where the isolator sits near solar strings, inverter DC inputs, or rooftop equipment and the enclosure must tolerate exposed conditions. The catalogue defines arc-extinguishing contacts, OFF-position cover removal, M20\/M25\/MC4 cable entries, and selectable contact wiring.<\/p><div class=\"shz-gf40-featuregrid\"><div class=\"shz-gf40-feature\"><b>Arc control<\/b><span>Each pole contact includes arc-extinguishing structure for DC switching duty.<\/span><\/div><div class=\"shz-gf40-feature\"><b>Fast break<\/b><span>Catalogue notes list approximately 2 ms contact opening for the enclosed route.<\/span><\/div><div class=\"shz-gf40-feature\"><b>Cover interlock logic<\/b><span>The cover is removable only in the OFF position, so wiring checks stay tied to the isolation state.<\/span><\/div><div class=\"shz-gf40-feature\"><b>Connector choices<\/b><span>M20, M25, and MC4 cable entries fit conduit, gland, and direct PV string connection layouts.<\/span><\/div><\/div><\/div><figure class=\"shz-gf40-card shz-gf40-media\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-gf40-pv-dc-isolator-switch-ip66-box-mc4-solar-string-connectors.webp\" alt=\"GF40 IP66 PV DC isolator switch with MC4 connectors installed for solar string isolation\" loading=\"lazy\" decoding=\"async\"><\/figure><\/div>\n<\/section>\n<!-- SHZ-GF40-SEC2 OVERVIEW END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40specs\" data-block-id=\"gf40specs\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40specs-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40specsc\" data-v=\"4\" data-block-id=\"gf40specsc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40specsc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40specsc-inner-blocks\">\n<!-- SHZ-GF40-SEC3 SPECS START -->\n<section class=\"shz-gf40 shz-gf40-specs\">\n  <style>.shz-gf40-specs{background:#fff;overflow:hidden}.shz-gf40-specs .shz-gf40-wrap,.shz-gf40-speclayout,.shz-gf40-specpanel,.shz-gf40-specnote{min-width:0}.shz-gf40-speclayout{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.52fr);gap:28px;align-items:start;margin-top:30px}.shz-gf40-specpanel{overflow:hidden}.shz-gf40-specrow{display:grid;grid-template-columns:minmax(150px,.32fr) minmax(0,1fr);border-bottom:1px solid var(--border)}.shz-gf40-specrow:last-child{border-bottom:0}.shz-gf40-spechead{background:var(--primary);color:#fff}.shz-gf40-spechead b,.shz-gf40-spechead span{color:#fff!important;font-weight:850}.shz-gf40-spechead .shz-gf40-speckey,.shz-gf40-spechead .shz-gf40-specval{background:var(--primary);color:#fff!important}.shz-gf40-speckey{display:block;padding:15px 16px;background:#f8fafc;color:var(--primary);font-weight:850;border-right:1px solid var(--border);line-height:1.35}.shz-gf40-specval{display:block;padding:15px 18px;color:#40516b;line-height:1.55;min-width:0;overflow-wrap:anywhere}.shz-gf40-specrow:nth-child(even):not(.shz-gf40-spechead) .shz-gf40-speckey,.shz-gf40-specrow:nth-child(even):not(.shz-gf40-spechead) .shz-gf40-specval{background:#f3f6f9}.shz-gf40-specval a{color:var(--primary);font-weight:800;text-decoration:underline;text-underline-offset:3px}.shz-gf40-specnote{padding:26px;background:#111c2e;color:#fff}.shz-gf40-specnote h3{margin:0 0 10px;color:#fff;font-size:1.2rem}.shz-gf40-specnote p{margin:0;color:#c8d8ee;line-height:1.62;overflow-wrap:anywhere}.shz-gf40-specnote ul{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:10px}.shz-gf40-specnote li{color:#dbe4f1;line-height:1.45;overflow-wrap:anywhere}.shz-gf40-specnote li:before{content:\"\";display:inline-block;width:8px;height:8px;background:#4a8fd4;margin-right:10px}.shz-gf40-specnote a{color:#fff;text-decoration:underline;text-underline-offset:3px}@media(max-width:1100px){.shz-gf40-speclayout{grid-template-columns:1fr}.shz-gf40-specnote{max-width:none}}@media(max-width:680px){.shz-gf40-specs .shz-gf40-wrap{padding-left:16px;padding-right:16px}.shz-gf40-specs .shz-gf40-h2{font-size:1.48rem;max-width:21rem}.shz-gf40-specs .shz-gf40-lead{max-width:21rem}.shz-gf40-speclayout{gap:18px;margin-top:24px}.shz-gf40-specrow{display:block}.shz-gf40-spechead{display:none}.shz-gf40-speckey{border-right:0;border-bottom:1px solid var(--border);padding:13px 15px}.shz-gf40-specval{padding:13px 15px 16px}.shz-gf40-specnote{padding:22px}}<\/style>\n  <div class=\"shz-gf40-wrap\"><header><span class=\"shz-gf40-kicker\">Technical Data<\/span><h2 class=\"shz-gf40-h2\">GF40 Core Specifications From The Catalogue<\/h2><p class=\"shz-gf40-lead\">Start with these catalogue values, then confirm voltage, current, pole count, contact wiring, connector type, and approval documents before release.<\/p><\/header><div class=\"shz-gf40-speclayout\"><div class=\"shz-gf40-card shz-gf40-specpanel\" aria-label=\"GF40 core specifications\"><div class=\"shz-gf40-specrow shz-gf40-spechead\"><b class=\"shz-gf40-speckey\">Parameter<\/b><span class=\"shz-gf40-specval\">GF40 enclosed route<\/span><\/div><div class=\"shz-gf40-specrow\"><b class=\"shz-gf40-speckey\">Rated voltage<\/b><span class=\"shz-gf40-specval\">1000VDC-1200VDC standard catalogue range; 1500VDC requires model and document confirmation<\/span><\/div><div class=\"shz-gf40-specrow\"><b class=\"shz-gf40-speckey\">Rated current<\/b><span class=\"shz-gf40-specval\">10A, 16A, 20A, 25A, 32A standard enclosed ratings<\/span><\/div><div class=\"shz-gf40-specrow\"><b class=\"shz-gf40-speckey\">Ingress protection<\/b><span class=\"shz-gf40-specval\">IP66 enclosed switch box<\/span><\/div><div class=\"shz-gf40-specrow\"><b class=\"shz-gf40-speckey\">Connection type<\/b><span class=\"shz-gf40-specval\">M20, M25, MC4<\/span><\/div><div class=\"shz-gf40-specrow\"><b class=\"shz-gf40-speckey\">Operating temperature<\/b><span class=\"shz-gf40-specval\">-25 deg C to +85 deg C<\/span><\/div><div class=\"shz-gf40-specrow\"><b class=\"shz-gf40-speckey\">Utilization references<\/b><span class=\"shz-gf40-specval\">DC-PV1, DC-PV2, DC-21B by wiring configuration and voltage row<\/span><\/div><div class=\"shz-gf40-specrow\"><b class=\"shz-gf40-speckey\">Standards<\/b><span class=\"shz-gf40-specval\"><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/107159\" target=\"_blank\" rel=\"noopener\">IEC 60947-3<\/a>; AS\/NZS 60947.3:2015<\/span><\/div><\/div><aside class=\"shz-gf40-card shz-gf40-specnote\"><h3>Selection rule<\/h3><p>Do not select GF40 by the face label alone. Contact wiring and series count change the usable current at 600V, 800V, 1000V, and 1200V, while the enclosure choice changes cable entry, service access, and inspection method.<\/p><ul><li>Confirm array maximum DC voltage<\/li><li>Confirm string or combiner current<\/li><li>Choose 2P, 2H, 4P, 4S, 4B, or 4T<\/li><li>Confirm M20, M25, or MC4 cable entry<\/li><li>Request the approved drawing and certificate file<\/li><\/ul><\/aside><\/div><\/div>\n<\/section>\n<!-- SHZ-GF40-SEC3 SPECS END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40configs\" data-block-id=\"gf40configs\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40configs-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40configsc\" data-v=\"4\" data-block-id=\"gf40configsc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40configsc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40configsc-inner-blocks\">\n<!-- SHZ-GF40-SEC4 CONFIGS START -->\n<section class=\"shz-gf40 shz-gf40-configs\" id=\"gf40-models\">\n  <style>.shz-gf40-configs{background:#f3f5f7}.shz-gf40-configgrid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin-top:30px}.shz-gf40-config{padding:18px}.shz-gf40-config b{display:block;color:#fff;background:var(--primary);width:42px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}.shz-gf40-config h3{margin:0 0 8px;color:var(--text);font-size:1.02rem}.shz-gf40-config p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.5}@media(max-width:1180px){.shz-gf40-configgrid{grid-template-columns:repeat(3,1fr)}}@media(max-width:690px){.shz-gf40-configgrid{grid-template-columns:1fr}}<\/style>\n  <div class=\"shz-gf40-wrap\"><header class=\"shz-gf40-center\"><span class=\"shz-gf40-kicker\">Contact Routes<\/span><h2 class=\"shz-gf40-h2\">GF40 Model Code And Wiring Configuration<\/h2><p class=\"shz-gf40-lead\">The catalogue separates current rating from contact wiring. Send the configuration code so terminal direction and pole count are unambiguous.<\/p><\/header><div class=\"shz-gf40-configgrid\"><article class=\"shz-gf40-card shz-gf40-config\"><b>2<\/b><h3>2-pole<\/h3><p>Basic two-pole DC isolation for simple string or equipment disconnects.<\/p><\/article><article class=\"shz-gf40-card shz-gf40-config\"><b>2H<\/b><h3>2-pole \/ 4 parallel poles<\/h3><p>Parallel-contact layout for current levels and switching duty that require the 2H configuration.<\/p><\/article><article class=\"shz-gf40-card shz-gf40-config\"><b>4<\/b><h3>4 parallel poles<\/h3><p>Four-pole layout for projects that need grouped DC contact paths.<\/p><\/article><article class=\"shz-gf40-card shz-gf40-config\"><b>4S<\/b><h3>Input top, output bottom<\/h3><p>Four-pole wiring with top input and bottom output.<\/p><\/article><article class=\"shz-gf40-card shz-gf40-config\"><b>4B<\/b><h3>Input and output bottom<\/h3><p>Four-pole wiring for bottom-side input and output.<\/p><\/article><article class=\"shz-gf40-card shz-gf40-config\"><b>4T<\/b><h3>Input and output top<\/h3><p>Four-pole wiring for top-side input and output.<\/p><\/article><\/div><\/div>\n<\/section>\n<!-- SHZ-GF40-SEC4 CONFIGS END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40ratings\" data-block-id=\"gf40ratings\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40ratings-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40ratingsc\" data-v=\"4\" data-block-id=\"gf40ratingsc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40ratingsc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40ratingsc-inner-blocks\">\n<!-- SHZ-GF40-SEC5 RATINGS START -->\n<section class=\"shz-gf40 shz-gf40-ratings\">\n  <style>.shz-gf40-ratings{background:#fff;overflow:hidden}.shz-gf40-ratinggrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:30px}.shz-gf40-ratingcard{position:relative;padding:22px 22px 20px;overflow:hidden}.shz-gf40-ratingcard:before{content:\"\";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,#294370,#4a8fd4)}.shz-gf40-ratingtop{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:14px}.shz-gf40-ratingname{display:block;color:var(--text);font-weight:900;line-height:1.25}.shz-gf40-ratingtag{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:0 10px;border-radius:999px;background:#eef4fb;color:var(--primary);font-size:.78rem;font-weight:850}.shz-gf40-ratingmeta{display:grid;gap:12px}.shz-gf40-ratingmeta div{display:grid;grid-template-columns:118px minmax(0,1fr);gap:12px;align-items:start}.shz-gf40-ratingmeta b{color:var(--primary);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}.shz-gf40-ratingmeta span{color:#40516b;line-height:1.52;overflow-wrap:anywhere}.shz-gf40-ratingnote{margin:18px 0 0;padding:18px 20px;border-left:4px solid var(--primary);background:#f8fafc;color:var(--muted);font-size:.93rem;line-height:1.6;overflow-wrap:anywhere}@media(max-width:980px){.shz-gf40-ratinggrid{grid-template-columns:1fr}.shz-gf40-ratingmeta div{grid-template-columns:104px minmax(0,1fr)}}@media(max-width:560px){.shz-gf40-ratinggrid{gap:14px}.shz-gf40-ratingcard{padding:20px}.shz-gf40-ratingtop{display:grid;gap:8px}.shz-gf40-ratingtag{justify-self:start}.shz-gf40-ratingmeta div{grid-template-columns:1fr;gap:4px}.shz-gf40-ratingmeta b{font-size:.78rem}.shz-gf40-ratingnote{padding:16px}}<\/style>\n  <div class=\"shz-gf40-wrap\"><header><span class=\"shz-gf40-kicker\">Rating Route<\/span><h2 class=\"shz-gf40-h2\">Common GF40 Model Families<\/h2><p class=\"shz-gf40-lead\">Catalogue ratings vary by contact configuration. This summary keeps the common model families visible while preserving the details needed for RFQ review.<\/p><\/header><div class=\"shz-gf40-ratinggrid\"><article class=\"shz-gf40-card shz-gf40-ratingcard\"><div class=\"shz-gf40-ratingtop\"><b class=\"shz-gf40-ratingname\">2P\/H enclosed route<\/b><span class=\"shz-gf40-ratingtag\">Two-pole<\/span><\/div><div class=\"shz-gf40-ratingmeta\"><div><b>Models<\/b><span>GF40-16\/2P\/H, GF40-25\/2P\/H, GF40-32\/2P\/H<\/span><\/div><div><b>Rating note<\/b><span>Documented across 600V, 800V, 1000V, and 1200V rows. At 1000V, catalogue rows include 9A, 11A, and 16A values by model.<\/span><\/div><div><b>Use case<\/b><span>Standard two-pole PV string or equipment isolation.<\/span><\/div><\/div><\/article><article class=\"shz-gf40-card shz-gf40-ratingcard\"><div class=\"shz-gf40-ratingtop\"><b class=\"shz-gf40-ratingname\">2H\/H parallel route<\/b><span class=\"shz-gf40-ratingtag\">Parallel<\/span><\/div><div class=\"shz-gf40-ratingmeta\"><div><b>Models<\/b><span>GF40-16\/2H\/H, GF40-25\/2H\/H, GF40-40\/2H\/H<\/span><\/div><div><b>Rating note<\/b><span>Higher-current parallel-contact route. Confirm usable voltage\/current row before ordering.<\/span><\/div><div><b>Use case<\/b><span>Projects requiring higher switching duty in a two-pole arrangement.<\/span><\/div><\/div><\/article><article class=\"shz-gf40-card shz-gf40-ratingcard\"><div class=\"shz-gf40-ratingtop\"><b class=\"shz-gf40-ratingname\">4P\/H route<\/b><span class=\"shz-gf40-ratingtag\">Four-pole<\/span><\/div><div class=\"shz-gf40-ratingmeta\"><div><b>Models<\/b><span>GF40-16\/4P\/H, GF40-25\/4P\/H, GF40-32\/4P\/H<\/span><\/div><div><b>Rating note<\/b><span>Four-pole route with separate series count requirements in the rating table.<\/span><\/div><div><b>Use case<\/b><span>PV strings or equipment requiring four contact paths.<\/span><\/div><\/div><\/article><article class=\"shz-gf40-card shz-gf40-ratingcard\"><div class=\"shz-gf40-ratingtop\"><b class=\"shz-gf40-ratingname\">4S \/ 4B \/ 4T route<\/b><span class=\"shz-gf40-ratingtag\">Wiring direction<\/span><\/div><div class=\"shz-gf40-ratingmeta\"><div><b>Models<\/b><span>GF40-16\/4S\/H to GF40-32\/4T\/H<\/span><\/div><div><b>Rating note<\/b><span>Configuration depends on whether input and output are routed at top or bottom.<\/span><\/div><div><b>Use case<\/b><span>Panel layouts where cable direction and contact routing must be specified.<\/span><\/div><\/div><\/article><article class=\"shz-gf40-card shz-gf40-ratingcard\"><div class=\"shz-gf40-ratingtop\"><b class=\"shz-gf40-ratingname\">DIN rail \/ main switch route<\/b><span class=\"shz-gf40-ratingtag\">Cabinet<\/span><\/div><div class=\"shz-gf40-ratingmeta\"><div><b>Models<\/b><span>GF40 DIN rail 16A, 25A, 32A<\/span><\/div><div><b>Rating note<\/b><span>Catalogue page references DC21B 16A, 25A, 32A to 1500V DC for this route.<\/span><\/div><div><b>Use case<\/b><span>Combiner cabinet or internal panel integration.<\/span><\/div><\/div><\/article><\/div><p class=\"shz-gf40-ratingnote\">For 1500V DC requirements, confirm the exact model code, wiring drawing, and certificate package before the purchase specification is approved.<\/p><\/div>\n<\/section>\n<!-- SHZ-GF40-SEC5 RATINGS END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40dims\" data-block-id=\"gf40dims\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40dims-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40dimsc\" data-v=\"4\" data-block-id=\"gf40dimsc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40dimsc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40dimsc-inner-blocks\">\n<!-- SHZ-GF40-SEC6 DIMENSIONS START -->\n<section class=\"shz-gf40 shz-gf40-dims\">\n  <style>.shz-gf40-dims{background:#f3f5f7}.shz-gf40-dimgrid{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:center;margin-top:30px}.shz-gf40-dimmedia{padding:24px;background:#fff}.shz-gf40-dimmedia img{width:100%;height:auto;display:block;object-fit:contain}.shz-gf40-dimcards{display:grid;gap:14px}.shz-gf40-dimcard{padding:18px}.shz-gf40-dimcard b{display:block;color:var(--primary);margin-bottom:6px}.shz-gf40-dimcard span{display:block;color:var(--muted);line-height:1.55}@media(max-width:980px){.shz-gf40-dimgrid{grid-template-columns:1fr}}<\/style>\n  <div class=\"shz-gf40-wrap\"><header><span class=\"shz-gf40-kicker\">Dimensions<\/span><h2 class=\"shz-gf40-h2\">Enclosure And DIN\/Main Switch Form Factors<\/h2><p class=\"shz-gf40-lead\">The GF40 series appears in enclosed IP66 box form and in DIN rail or mechanism form. Select the drawing that matches the physical installation.<\/p><\/header><div class=\"shz-gf40-dimgrid\"><figure class=\"shz-gf40-card shz-gf40-dimmedia\"><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-gf40-dc-isolator-switch-waterproof-box-and-bare-mechanism-two-forms.webp\" alt=\"GF40 IP66 waterproof box and bare mechanism showing two installation form factors\" loading=\"lazy\" decoding=\"async\"><\/figure><div class=\"shz-gf40-dimcards\"><div class=\"shz-gf40-card shz-gf40-dimcard\"><b>IP66 enclosure form<\/b><span>Catalogue drawing lists a 161.0 mm by 104.0 mm enclosure face, with 144.2 mm by 87.6 mm mounting centers and 76.3-111.1 mm depth range by assembly form.<\/span><\/div><div class=\"shz-gf40-card shz-gf40-dimcard\"><b>DIN rail \/ mechanism form<\/b><span>Catalogue drawing lists 65.5 mm width, 78.0\/71.2 mm body height references, 63.7 mm body depth, and 45.0 mm handle projection reference.<\/span><\/div><div class=\"shz-gf40-card shz-gf40-dimcard\"><b>Mounting note<\/b><span>Check the final 2D drawing for hole pattern, cable gland position, handle clearance, and enclosure depth before panel or box fabrication.<\/span><\/div><\/div><\/div><\/div>\n<\/section>\n<!-- SHZ-GF40-SEC6 DIMENSIONS END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40install\" data-block-id=\"gf40install\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40install-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40installc\" data-v=\"4\" data-block-id=\"gf40installc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40installc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40installc-inner-blocks\">\n<!-- SHZ-GF40-SEC7 INSTALL START -->\n<section class=\"shz-gf40 shz-gf40-install\">\n  <style>.shz-gf40-install{background:#fff}.shz-gf40-installgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:30px}.shz-gf40-installcard{overflow:hidden}.shz-gf40-installcard figure{margin:0;aspect-ratio:16\/10;background:#f8fafc;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:center;padding:16px}.shz-gf40-installcard img{width:100%;height:100%;object-fit:contain;display:block}.shz-gf40-installbody{padding:18px}.shz-gf40-installbody h3{margin:0 0 9px;color:var(--text);font-size:1.08rem}.shz-gf40-installbody p{margin:0;color:var(--muted);line-height:1.56;font-size:.94rem}.shz-gf40-installnote{margin-top:24px;padding:22px;border-left:4px solid var(--primary);background:#f8fafc;color:var(--muted);line-height:1.65}.shz-gf40-installnote strong{color:var(--text)}@media(max-width:980px){.shz-gf40-installgrid{grid-template-columns:1fr}}<\/style>\n  <div class=\"shz-gf40-wrap\"><header class=\"shz-gf40-center\"><span class=\"shz-gf40-kicker\">Installation Detail<\/span><h2 class=\"shz-gf40-h2\">What To Confirm Before Installing GF40<\/h2><p class=\"shz-gf40-lead\">Field issues usually come from selecting the electrical rating, cable entry, and enclosure treatment separately. Confirm them as one assembly before panel or rooftop installation.<\/p><\/header><div class=\"shz-gf40-installgrid\"><article class=\"shz-gf40-card shz-gf40-installcard\"><figure><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-gf40-dc-isolator-switch-ip66-enclosure-open-internal-structure.webp\" alt=\"GF40 IP66 enclosure opened to show internal DC isolator mechanism and cable connection route\" loading=\"lazy\" decoding=\"async\"><\/figure><div class=\"shz-gf40-installbody\"><h3>Internal route<\/h3><p>Confirm internal wiring, terminal access, cable bend space, and cover removal logic before releasing the enclosure drawing.<\/p><\/div><\/article><article class=\"shz-gf40-card shz-gf40-installcard\"><figure><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-gf40-pv-dc-isolator-switch-front-face-iec60947-3-dc-pv2-ip66-marks.webp\" alt=\"GF40 PV DC isolator front label with IEC60947-3 DC-PV2 IP66 markings\" loading=\"lazy\" decoding=\"async\"><\/figure><div class=\"shz-gf40-installbody\"><h3>Marking and rating<\/h3><p>Match the face label, model code, utilization category, and project voltage\/current row before release to procurement.<\/p><\/div><\/article><article class=\"shz-gf40-card shz-gf40-installcard\"><figure><img src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/04\/shieldhz-gf40-dc-isolator-switch-panel-mount-bracket-handle-assembly.webp\" alt=\"GF40 panel mounting bracket and rotary handle assembly components\" loading=\"lazy\" decoding=\"async\"><\/figure><div class=\"shz-gf40-installbody\"><h3>Mounting hardware<\/h3><p>Check handle projection, bracket route, panel thickness, screw torque, and wiring clearance before cabinet layout.<\/p><\/div><\/article><\/div><div class=\"shz-gf40-installnote\"><strong>RFQ note:<\/strong> specify whether the GF40 unit will be installed as a rooftop string disconnect, inverter-side DC isolation point, combiner-box isolator, or cabinet-mounted mechanism. This tells Shieldhz whether the quote needs IP66 enclosure hardware, MC4 connectors, M20\/M25 cable glands, label language, certificate files, or a drawing package. For replacement projects, include the existing enclosure cutout, cable direction, handle position, and any local lockout requirement so the new GF40 configuration can be checked against the installed panel instead of only the catalogue table. For OEM or repeat orders, keep the approved wiring code and enclosure drawing tied to the purchase specification so later batches do not drift from the tested configuration.<\/div><\/div>\n<\/section>\n<!-- SHZ-GF40-SEC7 INSTALL END -->\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40fitcheck\" data-block-id=\"gf40fitcheck\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40fitcheck-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40fitcheckc\" data-v=\"4\" data-block-id=\"gf40fitcheckc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40fitcheckc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40fitcheckc-inner-blocks\">\n<!-- SHZ-GF40-SEC7B VISUAL FIT START -->\n<section class=\"shz-gf40 shz-gf40-fit\" id=\"gf40-fit-check\">\n  <style>.shz-gf40-fit{background:#111c2e;color:#fff}.shz-gf40-fitgrid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:42px;align-items:center}.shz-gf40-fit .shz-gf40-kicker{color:#8da4c8}.shz-gf40-fit h2{margin:0 0 14px;color:#fff;font-size:clamp(1.9rem,3vw,2.8rem);line-height:1.06;font-weight:860}.shz-gf40-fit p{margin:0;color:#c8d8ee;line-height:1.68}.shz-gf40-fitpoints{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.shz-gf40-fitcard{padding:20px;border:1px solid rgba(200,216,238,.2);border-radius:12px;background:rgba(255,255,255,.06);box-shadow:0 10px 28px rgba(0,0,0,.16)}.shz-gf40-fitcard b{display:flex;align-items:center;gap:10px;margin:0 0 8px;color:#fff;font-size:1rem}.shz-gf40-fitcard b span{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:#294370;color:#fff;font-weight:900}.shz-gf40-fitcard small{display:block;color:#c8d8ee;font-size:.9rem;line-height:1.55}.shz-gf40-fitnote{margin-top:22px;padding:16px 18px;border-left:3px solid #4a8fd4;background:rgba(74,143,212,.1);color:#dbe4f1;line-height:1.62}@media(max-width:980px){.shz-gf40-fit{overflow:hidden}.shz-gf40-fitgrid{grid-template-columns:1fr;min-width:0}.shz-gf40-fitpoints{grid-template-columns:1fr;min-width:0}.shz-gf40-fit h2,.shz-gf40-fit p,.shz-gf40-fitnote,.shz-gf40-fitcard small{max-width:100%;overflow-wrap:anywhere}.shz-gf40-fitcard{min-width:0}}@media(max-width:560px){.shz-gf40-fit .shz-gf40-wrap{width:100%;max-width:390px;margin:0 auto;box-sizing:border-box}.shz-gf40-fit h2{font-size:30px}}<\/style>\n  <div class=\"shz-gf40-wrap shz-gf40-fitgrid\"><div><span class=\"shz-gf40-kicker\">Visual Selection Check<\/span><h2>Map GF40 Before Quotation<\/h2><p>Specify GF40 by checking the electrical rating and enclosure details together. Confirm voltage, contact code, cable entry, and document requirements before the quote is prepared.<\/p><div class=\"shz-gf40-fitnote\">For installed-base replacement, send photos of the current enclosure, handle position, cable entry, and face label so Shieldhz can compare the requested GF40 route with the real mounting condition.<\/div><\/div><div class=\"shz-gf40-fitpoints\"><article class=\"shz-gf40-fitcard\"><b><span>1<\/span> Voltage And Current<\/b><small>Confirm 1000VDC, 1200VDC, or a validated 1500VDC model path plus the required 10A to 32A current row.<\/small><\/article><article class=\"shz-gf40-fitcard\"><b><span>2<\/span> Contact Code<\/b><small>Choose 2P, 2H, 4P, 4S, 4B, or 4T from the wiring direction, pole count, and input\/output layout.<\/small><\/article><article class=\"shz-gf40-fitcard\"><b><span>3<\/span> Enclosure Entry<\/b><small>Match the IP66 box with M20, M25, or MC4 entry, gasket treatment, and cover-removal access.<\/small><\/article><article class=\"shz-gf40-fitcard\"><b><span>4<\/span> Documents<\/b><small>Request drawing, label language, certificate file, target market, quantity, and lead-time confirmation together.<\/small><\/article><\/div><\/div>\n<\/section>\n<!-- SHZ-GF40-SEC7B VISUAL FIT END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40related\" data-block-id=\"gf40related\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40related-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40relatedc\" data-v=\"4\" data-block-id=\"gf40relatedc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40relatedc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40relatedc-inner-blocks\">\n<!-- SHZ-GF40-SEC8 RELATED START -->\n<section class=\"shz-gf40 shz-gf40-related\">\n  <style>.shz-gf40-related{background:#f3f5f7;overflow-x:hidden}.shz-gf40-related .shz-gf40-wrap,.shz-gf40-relgrid,.shz-gf40-rel{width:100%;min-width:0}.shz-gf40-related .shz-gf40-h2,.shz-gf40-related .shz-gf40-lead,.shz-gf40-rel h3,.shz-gf40-rel p,.shz-gf40-rel a{max-width:100%;overflow-wrap:anywhere}.shz-gf40-relgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:34px}.shz-gf40-rel{position:relative;padding:24px;min-height:0;display:flex;flex-direction:column;align-items:flex-start;overflow:hidden}.shz-gf40-rel:before{content:\"\";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,#294370,#4a8fd4);opacity:.9}.shz-gf40-rel-head{display:flex;align-items:center;gap:14px;margin:0 0 14px;min-width:0;width:100%}.shz-gf40-rel-icon{flex:0 0 54px;width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#294370 0%,#4a8fd4 100%);box-shadow:0 14px 26px rgba(41,67,112,.24)}.shz-gf40-rel-icon svg{width:33px;height:33px;fill:none;stroke:#fff;stroke-width:2.25;stroke-linecap:round;stroke-linejoin:round}.shz-gf40-rel h3{margin:0;color:var(--text);font-size:1.1rem;line-height:1.25;overflow-wrap:anywhere}.shz-gf40-rel p{margin:0 0 16px;color:var(--muted);line-height:1.58;overflow-wrap:anywhere}.shz-gf40-rel a{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:850;line-height:1.45;overflow-wrap:anywhere;padding-bottom:2px;min-width:0}.shz-gf40-rel a:after{content:\"\";width:8px;height:8px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg);margin-top:1px;flex:0 0 auto}.shz-gf40-rel-links{margin-top:0;display:grid;gap:8px;padding-top:0;padding-bottom:0;width:100%}@media(max-width:1120px){.shz-gf40-relgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.shz-gf40-related .shz-gf40-wrap{padding-left:16px;padding-right:16px;overflow:hidden}.shz-gf40-related .shz-gf40-h2{font-size:1.46rem;max-width:20rem;margin-left:auto;margin-right:auto}.shz-gf40-related .shz-gf40-lead{max-width:20.5rem}.shz-gf40-relgrid{grid-template-columns:1fr;gap:16px;max-width:calc(100vw - 32px);margin-left:auto;margin-right:auto}.shz-gf40-rel{min-height:0;padding:22px}.shz-gf40-rel-icon{width:48px;height:48px;flex-basis:48px}.shz-gf40-rel-icon svg{width:29px;height:29px}}<\/style>\n  <div class=\"shz-gf40-wrap\"><header class=\"shz-gf40-center\"><span class=\"shz-gf40-kicker\">Related DC Routes<\/span><h2 class=\"shz-gf40-h2\">When Another DC Isolator Route Fits Better<\/h2><p class=\"shz-gf40-lead\">Choose GF40 for enclosed string-level isolation. Move to another page when the project needs DIN rail mounting, higher-pole-count 1500V DC cabinet switching, document downloads, or a full GF-series comparison.<\/p><\/header><div class=\"shz-gf40-relgrid\"><article class=\"shz-gf40-card shz-gf40-rel\"><div class=\"shz-gf40-rel-head\"><span class=\"shz-gf40-rel-icon\"><svg viewBox=\"0 0 48 48\" aria-hidden=\"true\"><path d=\"M10 13h28v22H10z\"\/><path d=\"M16 20h16M16 26h10M31 26h1\"\/><path d=\"M24 35v6M18 41h12\"\/><circle cx=\"36\" cy=\"17\" r=\"4\"\/><path d=\"M36 9v4M36 21v4M28 17h4M40 17h4\"\/><\/svg><\/span><h3>DC isolator pillar<\/h3><\/div><p>Compare GF40 with GF51 and GF41 across voltage range, enclosure form, installation method, and application boundary.<\/p><div class=\"shz-gf40-rel-links\"><a href=\"https:\/\/shieldhz.com\/dc-isolator-switches\/\">Compare PV DC isolator series<\/a><\/div><\/article><article class=\"shz-gf40-card shz-gf40-rel\"><div class=\"shz-gf40-rel-head\"><span class=\"shz-gf40-rel-icon\"><svg viewBox=\"0 0 48 48\" aria-hidden=\"true\"><path d=\"M12 35h24\"\/><path d=\"M15 31h18v-18H15z\"\/><path d=\"M19 13V8h10v5\"\/><path d=\"M19 31v7M29 31v7\"\/><path d=\"M20 20h8M20 25h8\"\/><path d=\"M34 16l5 5-5 5\"\/><\/svg><\/span><h3>GF51 route<\/h3><\/div><p>Choose GF51 when the project needs DIN rail mounting, IP20 cabinet installation, or a 300V to 1500V DC rating table.<\/p><div class=\"shz-gf40-rel-links\"><a href=\"https:\/\/shieldhz.com\/dc-isolator-switches\/gf51-pv-dc-isolator-switch\/\">View GF51 PV DC isolator route<\/a><\/div><\/article><article class=\"shz-gf40-card shz-gf40-rel\"><div class=\"shz-gf40-rel-head\"><span class=\"shz-gf40-rel-icon\"><svg viewBox=\"0 0 48 48\" aria-hidden=\"true\"><path d=\"M12 12h24M12 20h24M12 28h24M12 36h24\"\/><path d=\"M16 9v30M32 9v30\"\/><circle cx=\"24\" cy=\"12\" r=\"3\"\/><circle cx=\"24\" cy=\"20\" r=\"3\"\/><circle cx=\"24\" cy=\"28\" r=\"3\"\/><circle cx=\"24\" cy=\"36\" r=\"3\"\/><path d=\"M38 10l4 4-4 4\"\/><\/svg><\/span><h3>GF41 route<\/h3><\/div><p>Choose GF41 when higher pole count, handle orientation, or 1500V DC cabinet and panel mounting details drive the selection.<\/p><div class=\"shz-gf40-rel-links\"><a href=\"https:\/\/shieldhz.com\/dc-isolator-switches\/gf41-solar-dc-switch\/\">View GF41 solar DC switch route<\/a><\/div><\/article><article class=\"shz-gf40-card shz-gf40-rel\"><div class=\"shz-gf40-rel-head\"><span class=\"shz-gf40-rel-icon\"><svg viewBox=\"0 0 48 48\" aria-hidden=\"true\"><path d=\"M14 15h20v22H14z\"\/><path d=\"M18 19h12v9H18z\"\/><path d=\"M20 37v5M28 37v5\"\/><path d=\"M34 11c5 3 7 7 7 12 0 8-6 15-17 18C13 38 7 31 7 23c0-5 2-9 7-12\"\/><path d=\"M24 6v7\"\/><\/svg><\/span><h3>Waterproof isolator boxes<\/h3><\/div><p>Open this pillar when the project needs an enclosed local disconnect for outdoor equipment isolation and weatherproof switching.<\/p><div class=\"shz-gf40-rel-links\"><a href=\"https:\/\/shieldhz.com\/waterproof-isolator-box\/\">Check waterproof isolator boxes<\/a><\/div><\/article><article class=\"shz-gf40-card shz-gf40-rel\"><div class=\"shz-gf40-rel-head\"><span class=\"shz-gf40-rel-icon\"><svg viewBox=\"0 0 48 48\" aria-hidden=\"true\"><path d=\"M15 7h15l7 7v27H15z\"\/><path d=\"M30 7v8h7\"\/><path d=\"M20 22h12M20 28h12M20 34h7\"\/><path d=\"M11 12h4M11 18h4M11 24h4\"\/><\/svg><\/span><h3>Resources<\/h3><\/div><p>Open the resource page when the purchase team needs datasheets, drawings, certificate files, or other documents for model approval.<\/p><div class=\"shz-gf40-rel-links\"><a href=\"https:\/\/shieldhz.com\/resources\/\">Open Shieldhz resources<\/a><\/div><\/article><article class=\"shz-gf40-card shz-gf40-rel\"><div class=\"shz-gf40-rel-head\"><span class=\"shz-gf40-rel-icon\"><svg viewBox=\"0 0 48 48\" aria-hidden=\"true\"><path d=\"M13 26v-4a11 11 0 0 1 22 0v4\"\/><path d=\"M13 25h6v10h-6zM29 25h6v10h-6z\"\/><path d=\"M35 31c0 6-4 9-11 9\"\/><path d=\"M21 40h6\"\/><path d=\"M18 13l-4-4M30 13l4-4\"\/><\/svg><\/span><h3>Contact sales<\/h3><\/div><p>Send voltage, current, contact code, enclosure form, quantity, target market, and delivery schedule for GF40 quotation review.<\/p><div class=\"shz-gf40-rel-links\"><a href=\"https:\/\/shieldhz.com\/contact\/\">Contact Shieldhz sales<\/a><\/div><\/article><\/div><\/div>\n<\/section>\n<!-- SHZ-GF40-SEC8 RELATED END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40faq\" data-block-id=\"gf40faq\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40faq-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40faqc\" data-v=\"4\" data-block-id=\"gf40faqc\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40faqc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40faqc-inner-blocks\">\n<!-- SHZ-GF40-SEC9 FAQ START -->\n<section class=\"shz-gf40 shz-gf40-faqsec\">\n  <style>.shz-gf40-faqsec{background:#fff}.shz-gf40-faq{margin-top:30px;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#fff}.shz-gf40-faq details{border-top:1px solid var(--border)}.shz-gf40-faq details:first-child{border-top:0}.shz-gf40-faq summary{cursor:pointer;padding:18px 20px;font-weight:800;color:var(--text);list-style:none}.shz-gf40-faq summary::-webkit-details-marker{display:none}.shz-gf40-faq details[open] summary{background:#f2f7fe}.shz-gf40-faq p{margin:0;padding:0 20px 20px;color:var(--muted);line-height:1.62}<\/style>\n  <div class=\"shz-gf40-wrap\"><header class=\"shz-gf40-center\"><span class=\"shz-gf40-kicker\">FAQ<\/span><h2 class=\"shz-gf40-h2\">GF40 PV DC Isolator FAQ<\/h2><\/header><div class=\"shz-gf40-faq\"><details open><summary>What is the standard voltage range for GF40?<\/summary><p>The GF40 enclosed PV DC isolator is documented for 1000VDC to 1200VDC applications. For 1500VDC projects, confirm the exact GF model path with the required model code, rating table, and approval documents.<\/p><\/details><details><summary>Which connection types are available?<\/summary><p>GF40 can be configured with M20, M25, or MC4 cable-entry options depending on enclosure, cable entry, and PV string connection requirement. Confirm the connector or gland before the enclosure drawing is released.<\/p><\/details><details><summary>What does 2H, 4S, 4B, and 4T mean?<\/summary><p>These codes describe contact and wiring configuration. 2H is a 2-pole layout using four parallel poles. 4S, 4B, and 4T describe 4-pole routes with different top and bottom input\/output arrangements.<\/p><\/details><details><summary>Is GF40 suitable for outdoor rooftop solar?<\/summary><p>Yes. The enclosed GF40 version is used for rooftop or exposed PV string isolation when the project requires an IP66 enclosure, suitable cable-entry protection, and a lockable local disconnect point near the solar equipment.<\/p><\/details><details><summary>What is the difference between GF40 and GF51?<\/summary><p>GF40 is mainly positioned for enclosed string-level isolation with M20, M25, or MC4 cable-entry options. GF51 is usually the better fit when the project needs DIN rail mounting, IP20 cabinet installation, or a wider 300V to 1500V DC rating table.<\/p><\/details><details><summary>Can GF40 be used for 1500V DC solar systems?<\/summary><p>Do not assume a 1500V DC project from the front label alone. GF40 can be reviewed for a 1500V requirement, but Shieldhz should confirm the exact contact configuration, rating row, certificate requirement, and whether GF41 or GF51 is more suitable.<\/p><\/details><details><summary>What information is needed for a GF40 quotation?<\/summary><p>Send DC voltage, current, pole configuration, wiring layout, enclosure or cable-entry type, installation location, target certification market, quantity, requested delivery schedule, and whether drawings or certificate files are needed.<\/p><\/details><\/div><\/div>\n<\/section>\n<!-- SHZ-GF40-SEC9 FAQ END -->\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns alignfull stk-block-columns stk-block stk-gf40cta\" data-block-id=\"gf40cta\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-gf40cta-column alignfull\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-gf40ctac\" data-v=\"4\" data-block-id=\"gf40ctac\"><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-gf40ctac-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-gf40ctac-inner-blocks\">\n<!-- SHZ-GF40-SEC10 CTA START -->\n<section class=\"shz-gf40 shz-gf40-cta\" id=\"gf40-inquiry\">\n  <style>.stk-gf40cta,.stk-gf40cta>.stk-row,.stk-gf40ctac,.stk-gf40ctac-container,.stk-gf40ctac-inner-blocks{margin-bottom:0!important;padding-bottom:0!important}.stk-gf40cta{line-height:0!important}.stk-gf40cta .shz-gf40{line-height:normal!important}.shz-gf40-cta{position:relative;overflow:hidden;background:linear-gradient(115deg,#061a36 0%,#082b58 56%,#0e4a93 100%);color:#fff;margin-bottom:-32px!important;padding-bottom:32px!important}.shz-gf40-cta:before{content:\"\";position:absolute;inset:0;background:radial-gradient(circle at 78% 25%,rgba(74,143,212,.24),transparent 34%);pointer-events:none}.shz-gf40-cta .shz-gf40-wrap{position:relative;z-index:1;padding:72px 5vw}.shz-gf40-ctagrid{display:grid;grid-template-columns:minmax(0,1fr) minmax(500px,.84fr);gap:94px;align-items:center}.shz-gf40-cta-copy{position:relative;min-height:330px;display:flex;flex-direction:column;justify-content:center;padding-left:96px;isolation:isolate}.shz-gf40-cta-art{position:absolute;left:-398px;top:50%;width:1176px;height:624px;transform:translateY(-50%);opacity:.31;z-index:0;pointer-events:none}.shz-gf40-cta-art img{width:100%;height:100%;object-fit:contain;display:block}.shz-gf40-cta .shz-gf40-kicker,.shz-gf40-cta h2,.shz-gf40-cta p{position:relative;z-index:1}.shz-gf40-cta .shz-gf40-kicker{color:#71a9f3}.shz-gf40-cta h2{margin:0 0 16px;color:#fff;font-size:clamp(34px,3.25vw,50px);line-height:1.05;font-weight:900;letter-spacing:0;max-width:640px;text-shadow:0 12px 28px rgba(0,13,34,.28)}.shz-gf40-cta p{margin:0;max-width:620px;color:#c8d8ee;font-size:16px;line-height:1.66;text-shadow:0 10px 24px 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var(--primary)!important;border-radius:5px!important;background:var(--primary)!important;color:#fff!important;font-weight:850!important;box-shadow:0 8px 18px rgba(13,107,218,.22)!important}.shz-gf40-form-shell .ff-el-input--label,.shz-gf40-form-shell label{color:#10213d;font-weight:800}.shz-gf40-cta .shz-gf40-form-note{margin:12px 0 0!important;color:#5c6b81!important;font-size:12px;line-height:1.45;text-align:center;text-shadow:none!important}.shz-gf40-form-shell *{box-sizing:border-box}@media(max-width:980px){.shz-gf40-cta{overflow:hidden}.shz-gf40-ctagrid{grid-template-columns:1fr;gap:34px;min-width:0}.shz-gf40-cta-copy{padding-left:0;min-width:0}.shz-gf40-cta h2,.shz-gf40-cta p{max-width:100%;overflow-wrap:anywhere}.shz-gf40-form-shell{max-width:100%;min-width:0;overflow:hidden}.shz-gf40-cta-art{left:-264px;right:auto;width:1008px;height:546px;opacity:.17}}@media(max-width:560px){.shz-gf40-cta .shz-gf40-wrap{width:100%;max-width:390px;margin:0 auto;box-sizing:border-box;padding:50px 16px}.shz-gf40-form-shell{padding:16px}.shz-gf40-cta-art{left:-218px;width:816px;height:444px;opacity:.11}.shz-gf40-cta h2{font-size:31px}}body.page-id-1561 .site-main,body.page-id-1561 #main,body.page-id-1561 .entry-content,body.page-id-1561 .ct-container-full,body.page-id-1561 .stk-gf40cta,body.page-id-1561 .stk-gf40ctac,body.page-id-1561 .stk-gf40ctac-container,body.page-id-1561 .stk-gf40ctac-inner-blocks{margin-bottom:0!important;padding-bottom:0!important}body.page-id-1561 .entry-content>.wp-block-stackable-columns:last-child{margin-bottom:0!important;padding-bottom:0!important}body.page-id-1561 .site-footer,body.page-id-1561 .ct-footer{margin-top:0!important}<\/style>\n  <div class=\"shz-gf40-wrap shz-gf40-ctagrid\"><div class=\"shz-gf40-cta-copy\"><div class=\"shz-gf40-cta-art\"><img decoding=\"async\" src=\"https:\/\/shieldhz.com\/wp-content\/uploads\/2026\/05\/shieldhz-gf40-gf51-gf41-pv-dc-isolator-white-line-art-transparent-cta.webp\" alt=\"White transparent line art of Shieldhz GF40 GF51 and GF41 PV DC isolator switches for CTA background\"><\/div><span class=\"shz-gf40-kicker\">Inquiry<\/span><h2>Send GF40 Requirements<\/h2><p>Share DC voltage, operating current, contact code, cable-entry type, IP66 enclosure requirement, quantity, target certification market, and delivery schedule. Shieldhz will confirm the GF40 model code, drawing, certificate file, MOQ, lead time, and document package before quotation.<\/p><\/div><div class=\"shz-gf40-form-shell\"><div class='fluentform ff-default fluentform_wrapper_1 ffs_default_wrap'><form data-form_id=\"1\" id=\"fluentform_1\" class=\"frm-fluent-form fluent_form_1 ff-el-form-top ff_form_instance_1_1 ff-form-loading ffs_default\" data-form_instance=\"ff_form_instance_1_1\" method=\"POST\" ><fieldset  style=\"border: none!important;margin: 0!important;padding: 0!important;background-color: transparent!important;box-shadow: none!important;outline: none!important; min-inline-size: 100%;\">\n                    <legend class=\"ff_screen_reader_title\" style=\"display: block; margin: 0!important;padding: 0!important;height: 0!important;text-indent: -999999px;width: 0!important;overflow:hidden;\">Contact Form Demo<\/legend><input type='hidden' name='__fluent_form_embded_post_id' value='1561' \/><input type=\"hidden\" 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code guidance, dimensions, and wiring configuration notes.<\/p>","protected":false},"author":2,"featured_media":2033,"parent":1544,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_gspb_post_css":"","footnotes":""},"class_list":["post-1561","page","type-page","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":{"has_hero_section":"disabled","vertical_spacing_source":"custom","content_area_spacing":"none","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/shieldhz.com\/ar\/wp-json\/wp\/v2\/pages\/1561","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/shieldhz.com\/ar\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/shieldhz.com\/ar\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/ar\/wp-json\/wp\/v2\/comments?post=1561"}],"version-history":[{"count":27,"href":"https:\/\/shieldhz.com\/ar\/wp-json\/wp\/v2\/pages\/1561\/revisions"}],"predecessor-version":[{"id":2771,"href":"https:\/\/shieldhz.com\/ar\/wp-json\/wp\/v2\/pages\/1561\/revisions\/2771"}],"up":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/ar\/wp-json\/wp\/v2\/pages\/1544"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shieldhz.com\/ar\/wp-json\/wp\/v2\/media\/2033"}],"wp:attachment":[{"href":"https:\/\/shieldhz.com\/ar\/wp-json\/wp\/v2\/media?parent=1561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}