{"product_id":"eaton-cp4hd321-fusible-bus-plug","title":"Eaton | CP4HD321 | Fusible Bus Plug | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton CP4HD321 Fusible Bus Plug\u003c\/strong\u003e is a precise 3-Pole fusible bus plug engineered for maintenance, retrofit, and replacement tasks where matching specifications matter. Designed to integrate with Eaton bus systems, this part helps you restore or reconfigure protection paths quickly and accurately.\u003c\/p\u003e \u003cp\u003eThe CP4HD321 designation serves as the best reference for compatibility, ensuring you’re selecting the exact component your equipment requires. Before you order, make sure the fit and ratings align with your system’s specifications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e supports three-pole circuits within compatible Eaton assemblies, enabling straightforward upgrades or reconfigurations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine Eaton part\u003c\/strong\u003e backed by official documentation and engineering standards to maintain system integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFit and ratings confirmation\u003c\/strong\u003e Always verify fit and ratings before ordering; the CP4HD321 part number is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for maintenance, retrofit, and replacement\u003c\/strong\u003e a reliable solution when upgrading protection schemes or restoring service after component wear or failure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases include routine maintenance on Eaton switchgear, retrofits that reconfigure bus sections without altering surrounding hardware, and rapid replacements to minimize downtime. This fusible bus plug is purpose-built to align with Eaton’s engineering standards, helping you preserve the intended protection scheme and operational reliability.\u003c\/p\u003e \u003cp\u003eWhy choose this model? It delivers a precise, authentic replacement for systems that specify the CP4HD321 part number, reducing guesswork and ensuring you’re sourcing the exact component your protective bus arrangement requires. If your equipment documentation highlights CP4HD321, this is the correct plug to keep on hand for years of dependable service.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46425780617378,"sku":"CP4HD321","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\/eaton-cp4hd321-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}