{"product_id":"general-electric-dh421r-fusible-bus-plug","title":"General Electric | DH421R | Fusible Bus Plug | 30A | 4-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Electric DH421R Fusible Bus Plug\u003c\/strong\u003e delivers precise, plug‑in overcurrent protection for GE switchgear and 4‑pole distribution panels. Engineered for maintenance, retrofit, and replacement projects that require exact 240V, 30A performance, this fusible plug slots into compatible bus assemblies with minimal downtime and maximum reliability.\u003c\/p\u003e \u003cp\u003eThe DH421R is a four‑pole fusible bus plug designed to provide fast, controlled protection for multi‑conductor circuits. Built to GE’s exacting standards, it helps keep critical equipment online while preserving wiring integrity and safety in demanding industrial environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 4‑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 DH421R\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e Part number is the best reference for ensuring the right fit\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the GE DH421R for your project? This fusible bus plug is purpose‑built to minimize downtime in service entrances, switchgear upgrades, or panel retrofits that demand a precise 240V, 30A protection solution. The 4‑pole design accommodates multiple conductors, enabling organized, reliable protection across a four‑wire circuit configuration without compromising safety or performance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e include updating aging gear during facility expansions, replacing worn or damaged bus plugs, and retrofitting existing GE panels to meet renewed protection requirements. It’s particularly well suited for environments where exact compatibility with GE equipment is essential and where a straightforward, drop‑in replacement reduces installation complexity.\u003c\/p\u003e \u003cp\u003ePractical considerations for procurement and installation:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings before ordering to avoid compatibility issues.\u003c\/li\u003e \u003cli\u003eUse the exact \u003cstrong\u003eDH421R\u003c\/strong\u003e part number as the primary reference when matching gear and specifications.\u003c\/li\u003e \u003cli\u003eEngage a licensed electrical professional for installation and testing to ensure safe, code‑compliant operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46425775997090,"sku":"DH421R","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-dh421r-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}