{"product_id":"general-electric-dh421-fusible-bus-plug","title":"General Electric | DH421 | Fusible Bus Plug | 30A | 4-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the General Electric DH421 Fusible Bus Plug—a precise, ready-to-deploy solution for maintaining, retrofitting, or replacing critical panel components. Built to match GE panels, this 30A, 4-Pole, 240V fusible plug delivers dependable fault isolation and streamlined service workflows, so you can keep essential systems online with minimal downtime.\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 4-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number DH421\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the GE DH421 Fusible Bus Plug\u003c\/h3\u003e\n\u003cp\u003eDesigned specifically for General Electric panels, the DH421 offers compatibility and reliability that generic replacements can’t guarantee. The four-pole configuration supports coordinated disconnection across multiple conductors, simplifying maintenance and reducing the time your equipment spends offline. With a proven GE design, you get a plug-in solution that integrates smoothly with existing bus assemblies and protective devices.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service work on GE panels requiring a 30A, 240V fusible plug\u003c\/li\u003e \u003cli\u003eRetrofit projects to upgrade aging bus plugs while preserving panel integrity\u003c\/li\u003e \u003cli\u003eReplacement for failed or worn fusible plugs to restore protective functionality\u003c\/li\u003e \u003cli\u003eSystem upgrades that benefit from four-pole disconnection for enhanced safety and isolation\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eNotes to ensure a proper fit: confirm fit and ratings before ordering. The part number is the best reference for compatibility, so match DH421 to your GE panel model and official documentation. This fusible bus plug is intended for 240V applications and 30A, 4-Pole configurations, making it a precise match for projects with strict spec requirements.\u003c\/p\u003e \u003ch3\u003ePractical tips for procurement and handling\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eInspect the unit for any transit damage before installation to prevent hidden faults.\u003c\/li\u003e \u003cli\u003eStore in a dry, stable environment to protect contacts and insulation.\u003c\/li\u003e \u003cli\u003eHave a licensed electrician perform installation and verify the panel is fully de-energized before work.\u003c\/li\u003e \u003cli\u003eKeep the DH421 as a legacy or spare part reference for GE panel maintenance and future retrofits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eOpt for the General Electric DH421 Fusible Bus Plug when you need a dependable, OEM-aligned solution that prioritizes compatibility, safety, and long-term reliability in 240V, 30A, 4-Pole configurations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":46425776029858,"sku":"DH421","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-dh421-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}