{"product_id":"eaton-bussmann-fwh-45b-45a-high-speed-cylindrical-fuse-class-ar-500vac-dc-stud-mount","title":"Eaton Bussmann FWH-45B 45A High Speed Cylindrical Fuse – Class aR – 500VAC\/DC – Stud Mount","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-b941-44eeb6cb23a1-26\" data-testid=\"conversation-turn-120\" 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=\"80956ee1-ed37-46f8-8feb-adbacedbbaf3\" 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=\"149\" data-end=\"599\"\u003eThe Eaton Bussmann FWH-45B is a high-speed cylindrical fuse designed for semiconductor protection in power electronic and industrial systems. Rated at 45A and 500VAC\/DC, it provides ultra-fast fault interruption to protect sensitive equipment such as DC drives, rectifiers, and power converters. Its cylindrical center-bolted design ensures secure installation and reliable performance in demanding high-energy applications.\u003c\/p\u003e\n\u003cp data-start=\"606\" data-end=\"628\"\u003e\u003cstrong data-start=\"606\" data-end=\"628\"\u003eVoltage and Rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"630\" data-end=\"815\"\u003e\n\u003cli data-section-id=\"7w6f6j\" data-start=\"630\" data-end=\"653\"\u003eCurrent Rating: 45A\u003c\/li\u003e\n\u003cli data-section-id=\"1o48xy2\" data-start=\"654\" data-end=\"689\"\u003eVoltage Rating: 500VAC \/ 500VDC\u003c\/li\u003e\n\u003cli data-section-id=\"1cnzlk6\" data-start=\"690\" data-end=\"719\"\u003eBreaking Capacity: 200 kA\u003c\/li\u003e\n\u003cli data-section-id=\"rg7gsf\" data-start=\"720\" data-end=\"778\"\u003eInterrupt Rating: 200 kAIC @ 1000VAC, 50 kAIC @ 500VDC\u003c\/li\u003e\n\u003cli data-section-id=\"1lw84el\" data-start=\"779\" data-end=\"815\"\u003eRated Switching Capacity: 200 kA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"822\" data-end=\"844\"\u003e\u003cstrong data-start=\"822\" data-end=\"844\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"846\" data-end=\"1293\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"846\" data-end=\"878\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"17ve9ma\" data-start=\"879\" data-end=\"906\"\u003eCatalog Number: FWH-45B\u003c\/li\u003e\n\u003cli data-section-id=\"1lp7oca\" data-start=\"907\" data-end=\"934\"\u003eGlobal Catalog: FWH-45B\u003c\/li\u003e\n\u003cli data-section-id=\"l5upt6\" data-start=\"935\" data-end=\"980\"\u003eProduct Type: High Speed Cylindrical Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"9foj2e\" data-start=\"981\" data-end=\"1000\"\u003eClass: Class aR\u003c\/li\u003e\n\u003cli data-section-id=\"hwipx1\" data-start=\"1001\" data-end=\"1056\"\u003eUtilization Category: aR (Semiconductor Protection)\u003c\/li\u003e\n\u003cli data-section-id=\"1jrpg0e\" data-start=\"1057\" data-end=\"1080\"\u003eCurrent Type: AC\/DC\u003c\/li\u003e\n\u003cli data-section-id=\"10mfdjj\" data-start=\"1081\" data-end=\"1115\"\u003eFuse Indicator: Non-Indicating\u003c\/li\u003e\n\u003cli data-section-id=\"he2kpo\" data-start=\"1116\" data-end=\"1147\"\u003eMounting Method: Stud Mount\u003c\/li\u003e\n\u003cli data-section-id=\"1b9qkbx\" data-start=\"1148\" data-end=\"1195\"\u003eFuse Shape: Cylindrical, Center Bolted Tags\u003c\/li\u003e\n\u003cli data-section-id=\"hw7sgv\" data-start=\"1196\" data-end=\"1293\"\u003eApplication: Semiconductor Protection, DC Common Bus, DC Drives, Power Converters, Rectifiers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1300\" data-end=\"1328\"\u003e\u003cstrong data-start=\"1300\" data-end=\"1328\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1330\" data-end=\"1521\"\u003e\n\u003cli data-section-id=\"1r4il1x\" data-start=\"1330\" data-end=\"1352\"\u003ePre-Arc (I²T): 105\u003c\/li\u003e\n\u003cli data-section-id=\"1b0oehf\" data-start=\"1353\" data-end=\"1376\"\u003eClearing (I²T): 450\u003c\/li\u003e\n\u003cli data-section-id=\"13arii5\" data-start=\"1377\" data-end=\"1399\"\u003eWatt Losses: 7.5 W\u003c\/li\u003e\n\u003cli data-section-id=\"517zjd\" data-start=\"1400\" data-end=\"1428\"\u003eConstruction Size: Other\u003c\/li\u003e\n\u003cli data-section-id=\"5hq5nn\" data-start=\"1429\" data-end=\"1473\"\u003eInsulated Metal Gripping Lugs (IMGL): No\u003c\/li\u003e\n\u003cli data-section-id=\"5wy7y6\" data-start=\"1474\" data-end=\"1494\"\u003eFuse Type: FWH-B\u003c\/li\u003e\n\u003cli data-section-id=\"fu5an2\" data-start=\"1495\" data-end=\"1521\"\u003eIEC Fuse System: Other\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1528\" data-end=\"1548\"\u003e\u003cstrong data-start=\"1528\" data-end=\"1548\"\u003ePhysical Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1550\" data-end=\"1676\"\u003e\n\u003cli data-section-id=\"a5ukeq\" data-start=\"1550\" data-end=\"1574\"\u003eLength\/Depth: 108 mm\u003c\/li\u003e\n\u003cli data-section-id=\"y5kiyo\" data-start=\"1575\" data-end=\"1592\"\u003eHeight: 28 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1r0vjcq\" data-start=\"1593\" data-end=\"1609\"\u003eWidth: 90 mm\u003c\/li\u003e\n\u003cli data-section-id=\"5uiz3e\" data-start=\"1610\" data-end=\"1628\"\u003eWeight: 64.4 g\u003c\/li\u003e\n\u003cli data-section-id=\"1b9qkbx\" data-start=\"1629\" data-end=\"1676\"\u003eFuse Shape: Cylindrical, Center Bolted Tags\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1683\" data-end=\"1699\"\u003e\u003cstrong data-start=\"1683\" data-end=\"1699\"\u003eProduct Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1701\" data-end=\"1911\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"1701\" data-end=\"1733\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"14yndix\" data-start=\"1734\" data-end=\"1755\"\u003eUPC: 051712795760\u003c\/li\u003e\n\u003cli data-section-id=\"20xhrj\" data-start=\"1756\" data-end=\"1778\"\u003eEAN: 5027590499668\u003c\/li\u003e\n\u003cli data-section-id=\"t3ek62\" data-start=\"1779\" data-end=\"1809\"\u003eCategory: High Speed Fuses\u003c\/li\u003e\n\u003cli data-section-id=\"s1scal\" data-start=\"1810\" data-end=\"1858\"\u003eCertifications: UL Recognized, CSA Certified\u003c\/li\u003e\n\u003cli data-section-id=\"k9iwt6\" data-start=\"1859\" data-end=\"1884\"\u003eCompliance: CE Marked\u003c\/li\u003e\n\u003cli data-section-id=\"1lc1dzt\" data-start=\"1885\" data-end=\"1911\" 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":48344325161209,"sku":"FWH-45B","price":82.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/RR.jpg?v=1777720734","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-bussmann-fwh-45b-45a-high-speed-cylindrical-fuse-class-ar-500vac-dc-stud-mount","provider":"My Circuit Breakers","version":"1.0","type":"link"}