{"product_id":"general-electric-sb421ri-fusible-bus-plug","title":"General Electric | SB421RI | Fusible Bus Plug | 30A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the General Electric SB421RI Fusible Bus Plug — a purpose-built solution for maintenance, retrofit, and reliable replacement in GE panel systems. Designed for 240V three-pole configurations with a 30A rating, this component keeps your electrical distribution organized and ready for safe servicing when you need it most.\u003c\/p\u003e \u003ch3\u003eWhy choose the SB421RI?\u003c\/h3\u003e\n\u003cp\u003eAs a genuine GE part, the SB421RI delivers a precise fit for compatible GE panels and equipment. The three-pole design ensures balanced distribution across all phases, while the 30A rating supports dependable operation during maintenance windows or retrofit projects. For compatibility, the part number SB421RI is the best reference—always confirm fit and ratings before ordering.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e SB421RI\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003ePerfect for technicians and facilities teams performing:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRoutine maintenance on GE electrical panels, ensuring safe isolation and continuity where needed\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade or modernize panel configurations without compromising system integrity\u003c\/li\u003e \u003cli\u003eReplacement of worn or failed bus plugs to restore expected performance quickly\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMinimizes downtime during servicing by providing a reliable, ready-to-use fusible connection\u003c\/li\u003e \u003cli\u003ePreserves proper current paths across all three phases, reducing the risk of imbalances during replacement\u003c\/li\u003e \u003cli\u003eStreamlines compatibility checks for GE equipment, helping installers choose the correct part the first time\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for buyers\u003c\/h3\u003e\n\u003cp\u003eAlways confirm fit and ratings against your panel’s specifications before ordering. Retain the part number SB421RI for future maintenance and stocking of spare parts. Store in a clean, dry environment to maintain performance and longevity.\u003c\/p\u003e \u003cp\u003eWith the GE SB421RI Fusible Bus Plug, you gain a dependable, standards-aligned component that supports safe maintenance, effective retrofits, and reliable replacements in 240V, 3-pole systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46425728909474,"sku":"SB421RI","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-sb421ri-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}