{"product_id":"eaton-bussmann-fwh-400a-400a-high-speed-fuse-stud-mount-750vac-750vdc","title":"Eaton Bussmann FWH-400A 400A High Speed Fuse – Stud Mount – 750VAC \/ 750VDC","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69f38d39-f654-83e8-b941-44eeb6cb23a1-24\" data-testid=\"conversation-turn-116\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"b1ff25bc-9783-493d-8f06-a1212a79920c\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"134\" data-end=\"590\"\u003eThe Eaton Bussmann FWH-400A is a high-speed fuse designed for semiconductor protection in high-power electrical and electronic systems. With a 400A RMS rating, it provides fast-acting fault interruption to protect sensitive equipment such as DC drives, rectifiers, and power converters. Its stud-mount design with blade end connections ensures secure installation and reliable operation in demanding industrial AC\/DC applications.\u003c\/p\u003e\n\u003cp data-start=\"597\" data-end=\"619\"\u003e\u003cstrong data-start=\"597\" data-end=\"619\"\u003eVoltage and Rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"621\" data-end=\"775\"\u003e\n\u003cli data-section-id=\"5nfsyq\" data-start=\"621\" data-end=\"649\"\u003eCurrent Rating: 400A RMS\u003c\/li\u003e\n\u003cli data-section-id=\"2qe7lm\" data-start=\"650\" data-end=\"685\"\u003eVoltage Rating: 750VAC \/ 750VDC\u003c\/li\u003e\n\u003cli data-section-id=\"rg7gsf\" data-start=\"686\" data-end=\"744\"\u003eInterrupt Rating: 200 kAIC @ 1000VAC, 50 kAIC @ 500VDC\u003c\/li\u003e\n\u003cli data-section-id=\"z7yglg\" data-start=\"745\" data-end=\"775\"\u003eFuse Type: High Speed Fuse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"782\" data-end=\"804\"\u003e\u003cstrong data-start=\"782\" data-end=\"804\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"806\" data-end=\"1136\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"806\" data-end=\"838\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"rb04ck\" data-start=\"839\" data-end=\"867\"\u003eCatalog Number: FWH-400A\u003c\/li\u003e\n\u003cli data-section-id=\"1p8i4qy\" data-start=\"868\" data-end=\"901\"\u003eProduct Type: High Speed Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"10mfdjj\" data-start=\"902\" data-end=\"936\"\u003eFuse Indicator: Non-Indicating\u003c\/li\u003e\n\u003cli data-section-id=\"he2kpo\" data-start=\"937\" data-end=\"968\"\u003eMounting Method: Stud Mount\u003c\/li\u003e\n\u003cli data-section-id=\"exxroj\" data-start=\"969\" data-end=\"1011\"\u003eConnection Type: Blade End x Blade End\u003c\/li\u003e\n\u003cli data-section-id=\"gp4vr1\" data-start=\"1012\" data-end=\"1094\"\u003eApplication: Semiconductor Protection, DC Drives, Power Converters, Rectifiers\u003c\/li\u003e\n\u003cli data-section-id=\"1qcitnj\" data-start=\"1095\" data-end=\"1136\"\u003eCompliance: CE Marked, RoHS Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1143\" data-end=\"1171\"\u003e\u003cstrong data-start=\"1143\" data-end=\"1171\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1173\" data-end=\"1431\"\u003e\n\u003cli data-section-id=\"rsmbya\" data-start=\"1173\" data-end=\"1194\"\u003eWatt Losses: 65 W\u003c\/li\u003e\n\u003cli data-section-id=\"1qa4th\" data-start=\"1195\" data-end=\"1274\"\u003eInterrupt Characteristics: Ultra-fast clearing for semiconductor protection\u003c\/li\u003e\n\u003cli data-section-id=\"15jg4z8\" data-start=\"1275\" data-end=\"1327\"\u003eConstruction Type: Industrial-grade fuse element\u003c\/li\u003e\n\u003cli data-section-id=\"1nfu8ae\" data-start=\"1328\" data-end=\"1402\"\u003eElectrical Performance: High fault current protection in AC\/DC systems\u003c\/li\u003e\n\u003cli data-section-id=\"fs7089\" data-start=\"1403\" data-end=\"1431\"\u003ePackaging Type: Standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1438\" data-end=\"1458\"\u003e\u003cstrong data-start=\"1438\" data-end=\"1458\"\u003ePhysical Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1460\" data-end=\"1576\"\u003e\n\u003cli data-section-id=\"1rqh6l3\" data-start=\"1460\" data-end=\"1493\"\u003eProduct Length\/Depth: 1.69 in\u003c\/li\u003e\n\u003cli data-section-id=\"1i0ylby\" data-start=\"1494\" data-end=\"1521\"\u003eProduct Height: 1.61 in\u003c\/li\u003e\n\u003cli data-section-id=\"ylwiyq\" data-start=\"1522\" data-end=\"1548\"\u003eProduct Width: 4.52 in\u003c\/li\u003e\n\u003cli data-section-id=\"zaw23t\" data-start=\"1549\" data-end=\"1576\"\u003eProduct Weight: 0.52 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1583\" data-end=\"1599\"\u003e\u003cstrong data-start=\"1583\" data-end=\"1599\"\u003eProduct Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1601\" data-end=\"1785\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"1601\" data-end=\"1633\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"13cgpzt\" data-start=\"1634\" data-end=\"1655\"\u003eUPC: 051712150187\u003c\/li\u003e\n\u003cli data-section-id=\"lsbsp9\" data-start=\"1656\" data-end=\"1678\"\u003eEAN: 5027590061292\u003c\/li\u003e\n\u003cli data-section-id=\"t3ek62\" data-start=\"1679\" data-end=\"1709\"\u003eCategory: High Speed Fuses\u003c\/li\u003e\n\u003cli data-section-id=\"s1scal\" data-start=\"1710\" data-end=\"1758\"\u003eCertifications: UL Recognized, CSA Certified\u003c\/li\u003e\n\u003cli data-section-id=\"1lc1dzt\" data-start=\"1759\" data-end=\"1785\" data-is-last-node=\"\"\u003eWarranty: Not Applicable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"Eaton Bussmann","offers":[{"title":"NEW","offer_id":48344146673913,"sku":"FWH-400A","price":109.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/TTTT.jpg?v=1777715353","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-bussmann-fwh-400a-400a-high-speed-fuse-stud-mount-750vac-750vdc","provider":"My Circuit Breakers","version":"1.0","type":"link"}