{"product_id":"general-electric-sb421rgj-fusible-bus-plug","title":"General Electric | SB421RGJ | Fusible Bus Plug | 30A | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eGeneral Electric SB421RGJ Fusible Bus Plug is purpose-built for reliable protection and streamlined maintenance in electrical distribution systems. With a precise 30A at 240V rating, this GE component is designed for installation, retrofit, and replacement projects where exact specifications matter, ensuring your panel continues to perform safely and efficiently.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExacting ratings:\u003c\/strong\u003e 30A current capacity and 240V operating voltage tailor-fit for common feeder and circuit protection applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly design:\u003c\/strong\u003e A fusible bus plug that supports quick replacement or retrofitting without extensive downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGE reliability:\u003c\/strong\u003e Built to GE’s standards for longevity and compatibility with compatible panel systems and accessories.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number clarity:\u003c\/strong\u003e SB421RGJ provides a clear reference for compatibility and ordering, reducing guesswork in the field.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e SB421RGJ\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse Cases and Ideal Applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: Replace aging or failing bus plugs to restore protected operation and minimize downtime.\u003c\/li\u003e \u003cli\u003eRetrofit: Upgrade legacy systems to meet current protection requirements without overhauling the entire panel.\u003c\/li\u003e \u003cli\u003eReplacement: Swap in a like-for-like component when servicing specialized GE panels or assemblies that specify SB421RGJ.\u003c\/li\u003e \u003cli\u003eEquipment protection: Use in applications where a fusible protection element is required to reliably interrupt faults and safeguard downstream equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and Ordering Guidance\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Confirm fit and ratings before ordering. The \u003cstrong\u003eSB421RGJ\u003c\/strong\u003e part number is the best reference for compatibility with your equipment. When evaluating suitability, check:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMatching panel model or assembly that specifies fusible bus plugs\u003c\/li\u003e \u003cli\u003eRequired amperage rating (30A) and operating voltage (240V)\u003c\/li\u003e \u003cli\u003eOfficial GE documentation or part-by-part references to ensure correct integration\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy Choose the GE SB421RGJ\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfidence in compatibility: A dedicated GE fusible bus plug designed to align with GE panels and related accessories.\u003c\/li\u003e \u003cli\u003eClear, actionable reference: The SB421RGJ designation helps you source exact parts without guesswork.\u003c\/li\u003e \u003cli\u003eTargeted protection: A dedicated fusible solution that supports reliable protection of feeders and downstream equipment in both retrofit and new installations.\u003c\/li\u003e \u003cli\u003ePractical value for technicians: Simplifies maintenance planning with a known, standard component that fits precise specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46425729204386,"sku":"SB421RGJ","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-sb421rgj-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}