{"product_id":"eaton-bussmann-fwa-300b-300a-high-speed-cylindrical-fuse-class-ar-150vac-dc-stud-mount","title":"Eaton Bussmann FWA-300B 300A High Speed Cylindrical Fuse – Class aR – 150VAC\/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-b941-44eeb6cb23a1-9\" data-testid=\"conversation-turn-86\" 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=\"c6cebf90-1e7b-4106-98db-7facff1ae002\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" 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=\"151\" data-end=\"636\"\u003eThe Eaton Bussmann FWA-300B is a high-speed cylindrical fuse engineered for semiconductor protection in demanding electrical applications. With a 300A current rating and 150VAC\/DC capability, it delivers ultra-fast fault interruption to protect sensitive equipment such as DC drives, power converters, and rectifiers. Featuring a cylindrical body with center bolted tags, this Class aR fuse ensures precise and reliable protection in high-performance systems.\u003c\/p\u003e\n\u003cp data-start=\"643\" data-end=\"665\"\u003e\u003cstrong data-start=\"643\" data-end=\"665\"\u003eVoltage and Rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"667\" data-end=\"835\"\u003e\n\u003cli data-section-id=\"185t70p\" data-start=\"667\" data-end=\"691\"\u003eCurrent Rating: 300A\u003c\/li\u003e\n\u003cli data-section-id=\"5gdjne\" data-start=\"692\" data-end=\"727\"\u003eVoltage Rating: 150VAC \/ 150VDC\u003c\/li\u003e\n\u003cli data-section-id=\"rr8zgb\" data-start=\"728\" data-end=\"763\"\u003eBreaking Capacity: Up to 100 kA\u003c\/li\u003e\n\u003cli data-section-id=\"eykz2d\" data-start=\"764\" data-end=\"835\"\u003eInterrupt Rating: 200 kAIC VAC, 100 kAIC @ 150VAC, 20 kAIC @ 150VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"842\" data-end=\"864\"\u003e\u003cstrong data-start=\"842\" data-end=\"864\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"866\" data-end=\"1271\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"866\" data-end=\"898\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"1qjhw5l\" data-start=\"899\" data-end=\"927\"\u003eCatalog Number: FWA-300B\u003c\/li\u003e\n\u003cli data-section-id=\"l5upt6\" data-start=\"928\" data-end=\"973\"\u003eProduct Type: High Speed Cylindrical Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"9foj2e\" data-start=\"974\" data-end=\"993\"\u003eClass: Class aR\u003c\/li\u003e\n\u003cli data-section-id=\"hwipx1\" data-start=\"994\" data-end=\"1049\"\u003eUtilization Category: aR (Semiconductor Protection)\u003c\/li\u003e\n\u003cli data-section-id=\"1jrpg0e\" data-start=\"1050\" data-end=\"1073\"\u003eCurrent Type: AC\/DC\u003c\/li\u003e\n\u003cli data-section-id=\"10mfdjj\" data-start=\"1074\" data-end=\"1108\"\u003eFuse Indicator: Non-Indicating\u003c\/li\u003e\n\u003cli data-section-id=\"he2kpo\" data-start=\"1109\" data-end=\"1140\"\u003eMounting Method: Stud Mount\u003c\/li\u003e\n\u003cli data-section-id=\"1b9qkbx\" data-start=\"1141\" data-end=\"1188\"\u003eFuse Shape: Cylindrical, Center Bolted Tags\u003c\/li\u003e\n\u003cli data-section-id=\"gp4vr1\" data-start=\"1189\" data-end=\"1271\"\u003eApplication: Semiconductor Protection, DC Drives, Power Converters, Rectifiers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1278\" data-end=\"1306\"\u003e\u003cstrong data-start=\"1278\" data-end=\"1306\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1308\" data-end=\"1592\"\u003e\n\u003cli data-section-id=\"1wwadj9\" data-start=\"1308\" data-end=\"1342\"\u003eRated Switching Capacity: 100A\u003c\/li\u003e\n\u003cli data-section-id=\"1kr81jl\" data-start=\"1343\" data-end=\"1367\"\u003ePre-Arc (I²T): 10760\u003c\/li\u003e\n\u003cli data-section-id=\"uo2yxv\" data-start=\"1368\" data-end=\"1394\"\u003eClearing (I²T): 100000\u003c\/li\u003e\n\u003cli data-section-id=\"u9l56s\" data-start=\"1395\" data-end=\"1416\"\u003eWatt Losses: 27 W\u003c\/li\u003e\n\u003cli data-section-id=\"1adki8t\" data-start=\"1417\" data-end=\"1443\"\u003eMounting Dimension: M8\u003c\/li\u003e\n\u003cli data-section-id=\"1dix4n8\" data-start=\"1444\" data-end=\"1483\"\u003eCenter-to-Center Distance: 50.75 mm\u003c\/li\u003e\n\u003cli data-section-id=\"517zjd\" data-start=\"1484\" data-end=\"1512\"\u003eConstruction Size: Other\u003c\/li\u003e\n\u003cli data-section-id=\"5hq5nn\" data-start=\"1513\" data-end=\"1557\"\u003eInsulated Metal Gripping Lugs (IMGL): No\u003c\/li\u003e\n\u003cli data-section-id=\"1idzoo4\" data-start=\"1558\" data-end=\"1592\"\u003eFuse System: IEC 60269 (Other)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1599\" data-end=\"1619\"\u003e\u003cstrong data-start=\"1599\" data-end=\"1619\"\u003ePhysical Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1621\" data-end=\"1697\"\u003e\n\u003cli data-section-id=\"1cvanov\" data-start=\"1621\" data-end=\"1644\"\u003eLength\/Depth: 26 mm\u003c\/li\u003e\n\u003cli data-section-id=\"177cw26\" data-start=\"1645\" data-end=\"1662\"\u003eHeight: 26 mm\u003c\/li\u003e\n\u003cli data-section-id=\"74nqeu\" data-start=\"1663\" data-end=\"1679\"\u003eWidth: 72 mm\u003c\/li\u003e\n\u003cli data-section-id=\"mccgyr\" data-start=\"1680\" data-end=\"1697\"\u003eWeight: 100 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1704\" data-end=\"1720\"\u003e\u003cstrong data-start=\"1704\" data-end=\"1720\"\u003eProduct Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1722\" data-end=\"1998\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"1722\" data-end=\"1754\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"1r7f99v\" data-start=\"1755\" data-end=\"1776\"\u003eUPC: 051712877855\u003c\/li\u003e\n\u003cli data-section-id=\"6sfttv\" data-start=\"1777\" data-end=\"1799\"\u003eEAN: 5027590020367\u003c\/li\u003e\n\u003cli data-section-id=\"13kxllu\" data-start=\"1800\" data-end=\"1835\"\u003eGlobal Catalog Number: FWA-300B\u003c\/li\u003e\n\u003cli data-section-id=\"t3ek62\" data-start=\"1836\" data-end=\"1866\"\u003eCategory: High Speed Fuses\u003c\/li\u003e\n\u003cli data-section-id=\"fs7089\" data-start=\"1867\" data-end=\"1895\"\u003ePackaging Type: Standard\u003c\/li\u003e\n\u003cli data-section-id=\"1qcitnj\" data-start=\"1896\" data-end=\"1937\"\u003eCompliance: CE Marked, RoHS Compliant\u003c\/li\u003e\n\u003cli data-section-id=\"ofrtzb\" data-start=\"1938\" data-end=\"1971\"\u003eCertifications: UL Recognized\u003c\/li\u003e\n\u003cli data-section-id=\"1lc1dzt\" data-start=\"1972\" data-end=\"1998\" 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":48343778197753,"sku":"FWA-300B","price":75.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/JJJ.jpg?v=1777710755","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-bussmann-fwa-300b-300a-high-speed-cylindrical-fuse-class-ar-150vac-dc-stud-mount","provider":"My Circuit Breakers","version":"1.0","type":"link"}