{"product_id":"bussmann-fwh-800a-fuse","title":"Bussmann FWH-800A High-Speed Fuse","description":"\u003cstyle\u003e\n.nxs-industrial-product-page {\n--industrial-navy: #082f49;\n    --industrial-blue: #0b4f7c;\n    --industrial-blue-2: #0f6ea8;\n    --industrial-blue-3: #1784c1;\n    --industrial-cyan: #38bdf8;\n    --steel-blue: #dcebf5;\n    --steel-blue-2: #edf6fb;\n    --steel-line: #c9dce9;\n    --surface: #ffffff;\n    --surface-soft: #f7fbfe;\n    --text-main: #173042;\n    --text-muted: #5e7382;\n    --shadow-soft: 0 10px 30px rgba(8, 47, 73, 0.08);\n    --shadow-hover: 0 16px 36px rgba(8, 79, 124, 0.15);\n    --radius-lg: 14px;\n    --radius-md: 10px;\n}\n\n.nxs-industrial-product-page, .nxs-industrial-product-page * {\nmargin: 0;\n    padding: 0;\n    box-sizing: border-box;\n    font-family: Arial, Helvetica, sans-serif;\n}\n\n.nxs-industrial-product-page {\nbackground-color: #f3f8fb;\n    background-image:\n        linear-gradient(180deg, #eef6fb 0, #f7fafc 320px, #eef3f7 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5px;\n    height: 100%;\n    background: linear-gradient(180deg, var(--industrial-blue-3), var(--industrial-blue));\n}\n\n.nxs-industrial-product-page .section h2 {\nposition: relative;\n    display: inline-flex;\n    align-items: center;\n    gap: 10px;\n    font-size: 25px;\n    line-height: 1.3;\n    color: var(--industrial-navy);\n    margin-bottom: 24px;\n    letter-spacing: -0.2px;\n}\n\n.nxs-industrial-product-page .section h2::before {\ncontent: \"\";\n    width: 28px;\n    height: 4px;\n    flex: 0 0 28px;\n    border-radius: 999px;\n    background: linear-gradient(90deg, var(--industrial-blue-2), var(--industrial-cyan));\n}\n\n.nxs-industrial-product-page .section p {\ncolor: var(--text-main);\n}\n\n.nxs-industrial-product-page .spec-table {\nwidth: 100%;\n    border-collapse: separate;\n    border-spacing: 0;\n    overflow: hidden;\n    border: 1px solid var(--steel-line);\n    border-radius: var(--radius-md);\n    background: #fff;\n}\n\n.nxs-industrial-product-page .spec-table tr {\ntransition: background-color 0.2s ease, transform 0.2s ease;\n}\n\n.nxs-industrial-product-page .spec-table tr:nth-child(even) {\nbackground: #f7fbfe;\n}\n\n.nxs-industrial-product-page .spec-table tr:hover {\nbackground: #eaf5fb;\n}\n\n.nxs-industrial-product-page .spec-table td {\npadding: 13px 16px;\n    border-bottom: 1px solid #dbe7ef;\n    vertical-align: top;\n    color: #294658;\n}\n\n.nxs-industrial-product-page .spec-table tr:last-child td {\nborder-bottom: none;\n}\n\n.nxs-industrial-product-page .spec-table td:first-child {\nposition: relative;\n    width: 38%;\n    font-weight: 700;\n    color: #0b456d;\n    background: rgba(220, 235, 245, 0.42);\n}\n\n.nxs-industrial-product-page .spec-table td:first-child::after {\ncontent: \"\";\n    position: absolute;\n    top: 22%;\n    right: 0;\n    width: 1px;\n    height: 56%;\n    background: #c7dce9;\n}\n\n.nxs-industrial-product-page .features {\ndisplay: grid;\n    grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));\n    gap: 18px;\n}\n\n.nxs-industrial-product-page .card {\nposition: relative;\n    overflow: hidden;\n    min-height: 100%;\n    background: linear-gradient(180deg, #ffffff 0%, #f4f9fc 100%);\n    padding: 22px 20px 21px;\n    border: 1px solid #d5e4ee;\n    border-radius: var(--radius-md);\n    box-shadow: 0 6px 18px rgba(8, 47, 73, 0.055);\n    transition:\n        transform 0.22s ease,\n        box-shadow 0.22s ease,\n        border-color 0.22s ease;\n}\n\n.nxs-industrial-product-page .card::before {\ncontent: \"\";\n    position: absolute;\n    left: 0;\n    top: 0;\n    width: 100%;\n    height: 4px;\n    background: linear-gradient(90deg, var(--industrial-blue), var(--industrial-cyan));\n}\n\n.nxs-industrial-product-page .card::after {\ncontent: \"\";\n    position: absolute;\n    width: 74px;\n    height: 74px;\n    right: -28px;\n    bottom: -30px;\n    border: 1px solid rgba(15, 110, 168, 0.12);\n    border-radius: 50%;\n    transition: transform 0.22s ease;\n}\n\n.nxs-industrial-product-page .card:hover {\ntransform: translateY(-4px);\n    border-color: #a9cadf;\n    box-shadow: var(--shadow-hover);\n}\n\n.nxs-industrial-product-page .card:hover::after {\ntransform: scale(1.25);\n}\n\n.nxs-industrial-product-page .card h3 {\nposition: relative;\n    color: var(--industrial-blue);\n    font-size: 18px;\n    line-height: 1.35;\n    margin-bottom: 10px;\n    padding-left: 14px;\n}\n\n.nxs-industrial-product-page .card h3::before {\ncontent: \"\";\n    position: absolute;\n    left: 0;\n    top: 0.25em;\n    width: 4px;\n    height: 1em;\n    border-radius: 4px;\n    background: var(--industrial-blue-3);\n}\n\n.nxs-industrial-product-page .card p {\ncolor: #526a79;\n    font-size: 15px;\n}\n\n.nxs-industrial-product-page .section ul {\ndisplay: grid;\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    gap: 11px 18px;\n    padding-left: 0;\n    list-style: none;\n}\n\n.nxs-industrial-product-page .section li {\nposition: 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#f8fbfd;\n    border: 1px solid #d8e6ef;\n    border-radius: 9px;\n    box-shadow: 0 4px 12px rgba(8, 47, 73, 0.035);\n    transition: border-color 0.2s ease, background-color 0.2s ease;\n    counter-increment: faq;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p:hover {\nbackground: #f1f8fc;\n    border-color: #bfd8e7;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p::before {\ncontent: counter(faq, decimal-leading-zero);\n    position: absolute;\n    left: 15px;\n    top: 17px;\n    min-width: 28px;\n    height: 28px;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    border-radius: 6px;\n    background: var(--industrial-blue);\n    color: #fff;\n    font-size: 11px;\n    font-weight: 700;\n    letter-spacing: 0.3px;\n    box-shadow: 0 5px 12px rgba(8, 79, 124, 0.18);\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p strong {\ndisplay: inline-block;\n    color: #0b456d;\n    margin-bottom: 5px;\n    line-height: 1.4;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e br {\ndisplay: block;\n    content: \"\";\n    margin: 10px 0;\n}\n\n@media (max-width: 760px) {\n.nxs-industrial-product-page .container {\nwidth: 100%;\n        padding: 0 12px 24px;\n}\n\n.nxs-industrial-product-page .section {\npadding: 26px 17px 24px;\n        margin: 14px auto;\n        border-radius: 11px;\n}\n\n.nxs-industrial-product-page .section::before {\nwidth: 4px;\n}\n\n.nxs-industrial-product-page .section h2 {\nfont-size: 21px;\n        margin-bottom: 18px;\n}\n\n.nxs-industrial-product-page .section h2::before {\nwidth: 20px;\n        flex-basis: 20px;\n}\n\n.nxs-industrial-product-page .spec-table {\ndisplay: table;\n        table-layout: fixed;\n}\n\n.nxs-industrial-product-page .spec-table td {\npadding: 11px 9px;\n        font-size: 13px;\n        line-height: 1.55;\n        overflow-wrap: anywhere;\n}\n\n.nxs-industrial-product-page .spec-table td:first-child {\nwidth: 42%;\n}\n\n.nxs-industrial-product-page .features {\ngrid-template-columns: 1fr;\n        gap: 12px;\n}\n\n.nxs-industrial-product-page .card {\npadding: 18px 17px;\n}\n\n.nxs-industrial-product-page .card:hover {\ntransform: none;\n}\n\n.nxs-industrial-product-page .section ul {\ngrid-template-columns: 1fr;\n        gap: 9px;\n}\n\n.nxs-industrial-product-page .section li {\npadding: 11px 12px 11px 36px;\n        font-size: 14px;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p {\npadding: 16px 14px 16px 48px;\n        font-size: 14px;\n}\n\n.nxs-industrial-product-page .section:last-of-type \u003e p::before {\nleft: 12px;\n        top: 15px;\n        min-width: 26px;\n        height: 26px;\n        font-size: 10px;\n}\n}\n\n@media (prefers-reduced-motion: reduce) {\n.nxs-industrial-product-page, .nxs-industrial-product-page *, .nxs-industrial-product-page *::before, .nxs-industrial-product-page *::after {\ntransition: none !important;\n}\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"nxs-industrial-product-page\"\u003e\u003cdiv class=\"container\"\u003e\u003cmain\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBussmann\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eFWH-800A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eHigh-Speed Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eFWH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e800 A RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating AC\u003c\/td\u003e\n\u003ctd\u003e700 V (UL), 690 V (IEC), 500 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating DC\u003c\/td\u003e\n\u003ctd\u003e500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupt Rating AC\u003c\/td\u003e\n\u003ctd\u003e200 kAIC at 1000 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrupt Rating DC\u003c\/td\u003e\n\u003ctd\u003e50 kAIC at 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Class\u003c\/td\u003e\n\u003ctd\u003eHigh-Speed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eStud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003eBlade end x blade end\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndication\u003c\/td\u003e\n\u003ctd\u003eNon-Indicating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWatt Losses\u003c\/td\u003e\n\u003ctd\u003e129 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Weight\u003c\/td\u003e\n\u003ctd\u003e1.96 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"features\"\u003e\n\u003carticle class=\"card\"\u003e\u003ch3\u003e800 A RMS High-Current Rating\u003c\/h3\u003e\n\u003cp\u003eHigh-speed fuse rated 800 A RMS for large industrial power circuits requiring high-current semiconductor protection.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e500 VAC \/ 500 VDC Rating\u003c\/h3\u003e\n\u003cp\u003eDual voltage rating supports AC and DC bus protection in high-power drive and converter systems.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003e200 kAIC Interrupt at 1000 VAC\u003c\/h3\u003e\n\u003cp\u003ePublished interrupt rating of 200 kAIC at 1000 VAC for high available fault current applications.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eStud-Mount Blade Terminals\u003c\/h3\u003e\n\u003cp\u003eBlade end x blade end connections with stud mounting for bolted busbar installations.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eHigh-Power Watt Loss\u003c\/h3\u003e\n\u003cp\u003e129 W watt loss rating for thermal design considerations in high-current assemblies.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"card\"\u003e\u003ch3\u003eNon-Indicating Fuse\u003c\/h3\u003e\n\u003cp\u003eNon-indicating construction for high-current systems where fuse status is monitored separately.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-current semiconductor protection\u003c\/li\u003e\n\u003cli\u003eDC common bus protection\u003c\/li\u003e\n\u003cli\u003eLarge DC drive circuits\u003c\/li\u003e\n\u003cli\u003ePower converter and rectifier protection\u003c\/li\u003e\n\u003cli\u003eHigh-power industrial rectifier systems\u003c\/li\u003e\n\u003cli\u003eStud-mount busbar fuse installations\u003c\/li\u003e\n\u003cli\u003eAC\/DC high-current power assemblies\u003c\/li\u003e\n\u003cli\u003eHeavy industrial power electronics\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003ePurchase Information\u003c\/h2\u003e\n\u003cp\u003eWe support online purchase of the Bussmann FWH-800A High-Speed Fuse. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"section\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the Bussmann FWH-800A?\u003c\/strong\u003e\nThe FWH-800A is a Bussmann FWH series high-speed fuse rated 800 A RMS for high-current industrial protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the voltage rating of FWH-800A?\u003c\/strong\u003e\nIt is rated 700 VAC (UL), 690 VAC (IEC), 500 VAC, and 500 VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the interrupt rating of FWH-800A?\u003c\/strong\u003e\nThe interrupt rating is 200 kAIC at 1000 VAC and 50 kAIC at 500 VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the mounting type of FWH-800A?\u003c\/strong\u003e\nIt is a stud-mount fuse with blade end x blade end connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the watt loss of FWH-800A?\u003c\/strong\u003e\nThe published watt loss is 129 W.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the weight of FWH-800A?\u003c\/strong\u003e\nThe product weight is approximately 1.96 lb.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs FWH-800A indicating?\u003c\/strong\u003e\nNo, it is non-indicating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat applications use FWH-800A?\u003c\/strong\u003e\nIt is used for semiconductor protection, DC common bus, DC drives, and power converters\/rectifiers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat certifications does FWH-800A carry?\u003c\/strong\u003e\nIt is CE Marked, RoHS Compliant, UL Recognized, and CSA Certified.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should be verified before ordering FWH-800A?\u003c\/strong\u003e\nConfirm 800 A RMS load, 500 VDC or 500-700 VAC system voltage, high fault current coordination, stud-mount busbar dimensions, and complete catalog number.\u003c\/p\u003e\u003c\/section\u003e\u003c\/main\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"Eaton Bussmann","offers":[{"title":"Default Title","offer_id":67884235882575,"sku":"LL1-BSM-FWH-800A","price":92.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/7569\/2623\/files\/FWH-800A-01_1.jpg?v=1793072494","url":"https:\/\/yunshuotrade.com\/products\/bussmann-fwh-800a-fuse","provider":"yunshuotrade","version":"1.0","type":"link"}