{"product_id":"general-electric-sb421wg-fusible-bus-plug","title":"General Electric | SB421WG | Fusible Bus Plug | 30A | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eGeneral Electric’s SB421WG Fusible Bus Plug is a precision-made protection component designed for maintenance, retrofit, and replacement projects where exact specifications matter. With a 30A rating at 240V, this part delivers dependable overcurrent protection while aligning with your existing GE equipment. The part number SB421WG is the clearest reference for compatibility, so always double-check fit and ratings before ordering to ensure a seamless upgrade or repair.\u003c\/p\u003e \u003ch2\u003eFunctional benefits\u003c\/h2\u003e\n\u003cp\u003eThis fusible bus plug serves as a critical interface in electrical distribution, enabling controlled interruption of current in the event of an overload. By using the exact GE part, you preserve protective coordination within your system, reduce the risk of compatibility issues, and minimize downtime during servicing or upgrades. It’s a purpose-built solution for reliable protection where precise specifications are essential.\u003c\/p\u003e \u003ch2\u003eCore specifications\u003c\/h2\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 SB421WG\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement requiring exact spec matching\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReplacing a worn or blown bus plug in GE-compatible panels or assemblies during routine maintenance.\u003c\/li\u003e \u003cli\u003eRetrofitting older equipment to restore proper protection levels without introducing mismatched components.\u003c\/li\u003e \u003cli\u003eStocking a genuine GE replacement for quick rollout in service calls, minimizing equipment downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and how to verify\u003c\/h2\u003e\n\u003cp\u003eTo ensure a proper fit, compare your equipment’s listed specifications with this part’s 30A, 240V rating and use the SB421WG part number as the definitive reference. Confirm that the plug is intended for the same GE model family and that the overcurrent protection scheme in your panel matches the device’s rating. When in doubt, consult your equipment’s documentation or reach out to an authorized distributor to verify compatibility before purchase.\u003c\/p\u003e \u003ch2\u003eWhy choose this GE part\u003c\/h2\u003e\n\u003cp\u003eChoosing the SB421WG means prioritizing exact specification alignment over generic substitutes. This reduces the risk of improper protection settings, helps maintain proper fault current coordination, and supports smoother maintenance operations. For technicians and facilities teams working with GE systems, using the manufacturer’s fusible bus plug helps ensure predictable performance and easier future servicing.\u003c\/p\u003e \u003ch2\u003ePractical tips for best results\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eInspect the surrounding connections for cleanliness and secure seating before installation.\u003c\/li\u003e \u003cli\u003eMaintain a small inventory of genuine GE parts to shorten downtime during outages or planned maintenance.\u003c\/li\u003e \u003cli\u003eDocument the replacement with the part number SB421WG for future maintenance records and ordering accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46425728680098,"sku":"SB421WG","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-sb421wg-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}