{"product_id":"general-electric-sb440jj-fusible-bus-plug","title":"General Electric | SB440JJ | Fusible Bus Plug | 400A | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eGeneral Electric SB440JJ Fusible Bus Plug — a precise 400A, 600V solution designed for maintenance, retrofit, and replacement in electrical distribution systems. This component is essential when your GE equipment requires the SB440JJ specification to maintain safe, reliable operation.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number (reference):\u003c\/strong\u003e SB440JJ\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. The SB440JJ part number is your best reference to ensure compatibility with your GE gear and existing bus assemblies.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTypical use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace aging or degraded fusible bus plug components to restore protection and performance.\u003c\/li\u003e \u003cli\u003eRetrofit: update legacy gear to current SB440JJ specifications to improve safety margins.\u003c\/li\u003e \u003cli\u003eReplacement: substitute a failed bus plug with an exact 400A, 600V GE component to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this GE fusible bus plug matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SB440JJ provides a dedicated, compatible interface that supports rapid isolation of faulted sections, helping protect panels and downstream equipment while simplifying service procedures for trained technicians.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho should consider this part\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eElectrical maintenance teams managing GE distribution panels or switchgear.\u003c\/li\u003e \u003cli\u003eFacilities engineers overseeing reliability in industrial or commercial settings.\u003c\/li\u003e \u003cli\u003eElectrical distributors stocking genuine GE replacement parts to satisfy requests for SB440JJ compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKeep the right stock on hand with the General Electric SB440JJ fusible bus plug to minimize outages and keep your bus assemblies performing as designed.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46425869451426,"sku":"SB440JJ","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/general-electric-sb440jj-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}