{"product_id":"general-electric-sb421rgji-fusible-bus-plug","title":"General Electric | SB421RGJI | Fusible Bus Plug | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eThe General Electric SB421RGJI Fusible Bus Plug is a targeted, plug-in protective solution designed for GE bus duct systems. This 3-Pole fusible plug enables precise protection and streamlined maintenance, retrofit, or replacement within compatible electrical distributions.\u003c\/p\u003e \u003ch3\u003eWhy choose the GE SB421RGJI Fusible Bus Plug\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e provides balanced protection across all phases, preserving proper coordination with upstream devices and ensuring reliable circuit breaking when faults occur.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e with part number SB421RGJI guarantees exact mounting footprint, electrical characteristics, and interconnection with GE bus plug assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e— engineered for straightforward swaps in existing GE installations, reducing downtime during service or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference\u003c\/strong\u003e and usage guidance inherent in the part number, helping you verify fit before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance windows where a like-for-like GE fusible plug is required to preserve equipment protection schemes.\u003c\/li\u003e \u003cli\u003eRetrofits to upgrade old bus duct sections with a reliable, GE-backed protective plug.\u003c\/li\u003e \u003cli\u003eReplacement scenarios for GE-specific gear in industrial facilities that rely on consistent part numbers for fast service.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit, performance, and verification\u003c\/h3\u003e\n\u003cp\u003ePoles: 3-Pole. The SB421RGJI is a genuine General Electric component, designed to integrate with compatible GE bus plug assemblies. Before ordering, confirm that the part number aligns with your equipment and review system ratings to ensure proper fit and protection coordination.\u003c\/p\u003e \u003cp\u003eIn short, the General Electric SB421RGJI Fusible Bus Plug delivers a precise, ready-to-install protective solution for 3-pole GE bus duct configurations. Use it for dependable maintenance, thoughtful retrofits, or straightforward replacements—always with a focus on matching the exact part number for best compatibility.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46425729171618,"sku":"SB421RGJI","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-sb421rgji-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}