{"product_id":"general-electric-dh421rg-fusible-bus-plug","title":"General Electric | DH421RG | Fusible Bus Plug | 30A | 4-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric DH421RG Fusible Bus Plug, a purpose-built component designed for safe maintenance, precise retrofit projects, and reliable replacements within GE electrical gear. With a 30A rating, a robust 4-pole configuration, and 240V operation, this plug is engineered to integrate seamlessly into compatible GE assemblies, delivering protective isolation when you need it most.\u003c\/p\u003e \u003ch2\u003eWhy the DH421RG stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eClear, field-proven specs:\u003c\/strong\u003e 30A current rating paired with 4 poles and 240V supports common industrial distribution environments without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-aligned design:\u003c\/strong\u003e The DH421RG is a GE-approved solution, ensuring precise fit, electrical coordination, and reliable performance within your switchgear or bus duct system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance-friendly:\u003c\/strong\u003e Specifically suited for controlled shutoffs, component replacement, and retrofit work where exact spec matching matters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDowntime-conscious:\u003c\/strong\u003e By using the correct fusible bus plug, you minimize guesswork during service and accelerate safe re-energization after work is complete.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal for\u003c\/h2\u003e\n\u003cp\u003eElectricians, facilities engineers, and maintenance teams managing GE-powered distribution equipment will find this fusible bus plug essential for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance shutdowns and testing without altering the surrounding protection scheme\u003c\/li\u003e \u003cli\u003eRetrofits that require a like-for-like GE component to maintain compatibility\u003c\/li\u003e \u003cli\u003eReplacement of damaged or degraded bus plugs while preserving system integrity\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eUsage scenarios and practical benefits\u003c\/h2\u003e\n\u003cp\u003eIn industrial settings where safeguarding downstream equipment is critical, the DH421RG serves as a trusted insert that provides fault isolation and protection. Its 4-pole design supports balanced protection across all conductors, helping maintain protective coordination in 240V systems. When replacing worn parts, using the exact part number ensures you’re not compromising the geometry or electrical interface that your gear relies on.\u003c\/p\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003cbr\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4-Pole\u003cbr\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003cbr\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e DH421RG\u003c\/p\u003e \u003ch2\u003eCompatibility and ordering guidance\u003c\/h2\u003e\n\u003cp\u003eBefore placing an order, confirm the fit and ratings match your equipment. The part number is the best reference for compatibility, and ensuring exact alignment with your GE assembly helps preserve protective coordination and safe operation.\u003c\/p\u003e \u003ch2\u003eInstallation and best-practice notes\u003c\/h2\u003e\n\u003cp\u003eFor a smooth, safe installation:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDe-energize the equipment and follow your facility’s lockout\/tagout procedures.\u003c\/li\u003e \u003cli\u003eVerify wiring and slot orientation to ensure proper seating of the fusible bus plug.\u003c\/li\u003e \u003cli\u003eInspect for signs of wear or corrosion on contact surfaces; replace any gaskets or seals per GE guidelines.\u003c\/li\u003e \u003cli\u003eAfter installation, perform a system check to confirm proper isolation and re-energize only after verification.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned to meet the exacting needs of GE-powered distributions, the DH421RG Fusible Bus Plug offers precise compatibility, reliable protection, and practical, real-world use cases that help technicians complete maintenance, retrofit, and replacement work with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46425775964322,"sku":"DH421RG","price":1194.0,"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-dh421rg-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}