{"product_id":"eaton-bussmann-jjn-400-400a-class-t-fuse-bolted-blade-connection","title":"Eaton Bussmann JJN-400 400A Class T Fuse – Bolted Blade Connection","description":"\u003cdiv class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\"\u003e\n\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\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-b941-44eeb6cb23a1-25\" data-testid=\"conversation-turn-216\" 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=\"42407ab5-b377-465c-9356-593b8245a474\" 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=\"125\" data-end=\"598\"\u003eThe Eaton Bussmann JJN-400 is a Class T fuse designed for fast-acting overcurrent protection in low-voltage power distribution systems. With a 400A rating, it delivers rapid fault interruption to protect sensitive electrical equipment from short-circuit and overload conditions. Its compact construction and bolted blade end connections ensure secure installation in industrial and commercial applications requiring reliable high-speed protection.\u003c\/p\u003e\n\u003cp data-start=\"605\" data-end=\"627\"\u003e\u003cstrong data-start=\"605\" data-end=\"627\"\u003eVoltage and Rating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"629\" data-end=\"776\"\u003e\n\u003cli data-section-id=\"1bfn19q\" data-start=\"629\" data-end=\"653\"\u003eCurrent Rating: 400A\u003c\/li\u003e\n\u003cli data-section-id=\"1xe0pp\" data-start=\"654\" data-end=\"690\"\u003eVoltage Rating: 300 Vac, 160 Vdc\u003c\/li\u003e\n\u003cli data-section-id=\"1k2avag\" data-start=\"691\" data-end=\"752\"\u003eInterrupt Rating: 200 kAIC at 300 Vac, 20 kAIC at 160 Vdc\u003c\/li\u003e\n\u003cli data-section-id=\"lh2a2s\" data-start=\"753\" data-end=\"776\"\u003eFuse Class: Class T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"783\" data-end=\"805\"\u003e\u003cstrong data-start=\"783\" data-end=\"805\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"807\" data-end=\"1040\"\u003e\n\u003cli data-section-id=\"1y8y66g\" data-start=\"807\" data-end=\"839\"\u003eManufacturer: Eaton Bussmann\u003c\/li\u003e\n\u003cli data-section-id=\"16rxfde\" data-start=\"840\" data-end=\"867\"\u003eCatalog Number: JJN-400\u003c\/li\u003e\n\u003cli data-section-id=\"16ai4ub\" data-start=\"868\" data-end=\"890\"\u003eProduct Type: Fuse\u003c\/li\u003e\n\u003cli data-section-id=\"17t6shb\" data-start=\"891\" data-end=\"925\"\u003eFuse Indicator: Non-indicating\u003c\/li\u003e\n\u003cli data-section-id=\"1mrzadf\" data-start=\"926\" data-end=\"982\"\u003eConnection Type: Bolted Blade End x Bolted Blade End\u003c\/li\u003e\n\u003cli data-section-id=\"14xmggv\" data-start=\"983\" data-end=\"998\"\u003eQuantity: 1\u003c\/li\u003e\n\u003cli data-section-id=\"1qcitnj\" data-start=\"999\" data-end=\"1040\"\u003eCompliance: CE Marked, RoHS Compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1047\" data-end=\"1067\"\u003e\u003cstrong data-start=\"1047\" data-end=\"1067\"\u003ePhysical Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1069\" data-end=\"1208\"\u003e\n\u003cli data-section-id=\"nwyknt\" data-start=\"1069\" data-end=\"1102\"\u003eProduct Length\/Depth: 2.75 in\u003c\/li\u003e\n\u003cli data-section-id=\"7qlptj\" data-start=\"1103\" data-end=\"1127\"\u003eProduct Height: 1 in\u003c\/li\u003e\n\u003cli data-section-id=\"1t6t3v2\" data-start=\"1128\" data-end=\"1151\"\u003eProduct Width: 1 in\u003c\/li\u003e\n\u003cli data-section-id=\"1hgbih\" data-start=\"1152\" data-end=\"1179\"\u003eProduct Weight: 0.25 lb\u003c\/li\u003e\n\u003cli data-section-id=\"fs7089\" data-start=\"1180\" data-end=\"1208\"\u003ePackaging Type: Standard\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1215\" data-end=\"1231\"\u003e\u003cstrong data-start=\"1215\" data-end=\"1231\"\u003eProduct Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1233\" data-end=\"1370\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"d3qz9v\" data-start=\"1233\" data-end=\"1254\"\u003eUPC: 051712627047\u003c\/li\u003e\n\u003cli data-section-id=\"1aykt4n\" data-start=\"1255\" data-end=\"1296\"\u003eCategory: Industrial Protection Fuses\u003c\/li\u003e\n\u003cli data-section-id=\"gzxpux\" data-start=\"1297\" data-end=\"1343\"\u003eApplication: Power distribution protection\u003c\/li\u003e\n\u003cli data-section-id=\"1lc1dzt\" data-start=\"1344\" data-end=\"1370\" 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=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"thread-bottom-container\" class=\"sticky bottom-0 z-10 group\/thread-bottom-container relative isolate w-full basis-auto has-data-has-thread-error:pt-2 has-data-has-thread-error:[box-shadow:var(--sharp-edge-bottom-shadow)] md:border-transparent md:pt-0 dark:border-white\/20 md:dark:border-transparent print:hidden content-fade single-line flex flex-col\"\u003e\n\u003cdiv class=\"relative mx-auto h-0\"\u003e\u003c\/div\u003e\n\u003cdiv id=\"thread-bottom\"\u003e\n\u003cdiv class=\"text-base mx-auto [--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 mb-[var(--thread-component-gap,1rem)]\"\u003e\n\u003cdiv class=\"pointer-events-auto relative z-1 flex h-(--composer-container-height,100%) max-w-full flex-(--composer-container-flex,1) flex-col\"\u003e\u003cform class=\"group\/composer w-full\" data-type=\"unified-composer\"\u003e\n\u003cdiv class=\"hidden\"\u003e\u003c\/div\u003e\n\u003c\/form\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Eaton Bussmann","offers":[{"title":"NEW","offer_id":48346536509689,"sku":"JJN-400","price":85.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/7810\/7385\/files\/JJN-400_C_1fc05b92-329b-48da-9bc7-fc5309fa5f14.jpg?v=1777804217","url":"https:\/\/mycircuitbreakers.com\/products\/eaton-bussmann-jjn-400-400a-class-t-fuse-bolted-blade-connection","provider":"My Circuit Breakers","version":"1.0","type":"link"}