{"product_id":"general-electric-sl440hjk4i-fusible-bus-plug","title":"General Electric | SL440HJK4I | Fusible Bus Plug | 400A | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Electric SL440HJK4I Fusible Bus Plug\u003c\/strong\u003e is a purpose-built protective accessory designed for electrical distribution systems that require a reliable 400A fusible connection at up to 600V. Built for maintenance, retrofit, and replacement projects, this GE bus plug enables quick restoration or upgrade of protection while ensuring compatibility with existing switchgear.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Fusible bus plug\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: SL440HJK4I\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: General Electric\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this fusible bus plug matters\u003c\/h3\u003e\n\u003cp\u003eChoosing the SL440HJK4I means relying on a component engineered to fit GE panels and compatible switchgear, delivering precise contact geometry and dependable fusible behavior. This isn’t a generic substitute—it's a purpose-matched part that helps protect downstream equipment, manage fault currents, and reduce the risk of nuisance trips during routine operation or faults.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace worn or failed bus plugs to restore protective functionality without a full panel overhaul.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade older gear to current protective standards with a drop-in GE solution.\u003c\/li\u003e \u003cli\u003eReplacement: substitute a failed component with a verified GE part to maintain system integrity and performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and ordering guidance\u003c\/h3\u003e\n\u003cp\u003eTo ensure a perfect fit, verify your equipment’s ratings and connector geometry before purchase. The \u003cstrong\u003eSL440HJK4I\u003c\/strong\u003e part number is the most reliable reference for compatibility, helping you align the bus plug with the intended GE panel or switchgear configuration.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eHave a qualified electrician confirm the unit matches your panel’s required amperage, voltage, and connector type before installation.\u003c\/li\u003e \u003cli\u003eKeep a spare SL440HJK4I on hand for planned maintenance or unexpected replacements to minimize downtime.\u003c\/li\u003e \u003cli\u003eStore unused units in a clean, dry environment to prevent corrosion and ensure reliable performance when installed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46425812566178,"sku":"SL440HJK4I","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-sl440hjk4i-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}