{"product_id":"square-d-pbq3640gr-fusible-bus-plug","title":"Square D | PBQ3640GR | Fusible Bus Plug | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D PBQ3640GR Fusible Bus Plug is a genuine OEM component designed for reliable power distribution in 600V systems. With a 400A rating and a 3-pole configuration, this fusible bus plug is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 400 A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600 V\u003c\/li\u003e \u003cli\u003eConfiguration: Fusible bus plug\u003c\/li\u003e \u003cli\u003ePart reference: PBQ3640GR\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eGenuine Square D component ensures precise fit and electrical compatibility within compatible panels and protection assemblies.\u003c\/li\u003e \u003cli\u003e3-Pole design aligns with typical three-phase distribution setups, providing clear and straightforward integration.\u003c\/li\u003e \u003cli\u003e400A capacity meets demanding commercial and industrial applications that require reliable fusible protection at 600V.\u003c\/li\u003e \u003cli\u003eClear reference point for compatibility: the PBQ3640GR part number is the best indicator for matching equipment and ratings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal uses and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace aging or worn bus plugs in existing Square D installations to restore performance without altering other components.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or reconfigure vintage assemblies to accommodate updated protection schemes while preserving panel integrity.\u003c\/li\u003e \u003cli\u003eReplacement: swap in a like-for-like part when scheduling preventive maintenance or responding to field inspections, ensuring continued protection and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and verification\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, confirm that your equipment requires a 400A, 3-Pole, 600V fusible bus plug exactly like PBQ3640GR.\u003c\/li\u003e \u003cli\u003eUse PBQ3640GR as the primary reference to verify compatibility with your Square D panel or protection assembly.\u003c\/li\u003e \u003cli\u003eCross-check any manufacturer guidelines for fitment and ratings to ensure seamless replacement without modifying surrounding hardware.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation and care tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eOnly qualified personnel should perform installation or replacement of fusible bus plugs; always de-energize equipment and follow lockout\/tagout procedures.\u003c\/li\u003e \u003cli\u003eHandle the device with clean, dry hands and store in a clean environment to prevent corrosion or contamination of contact surfaces.\u003c\/li\u003e \u003cli\u003eMaintain a record of the PBQ3640GR part number in your asset inventory to simplify future maintenance and compatibility checks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425755418786,"sku":"PBQ3640GR","price":9447.0,"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\/square-d-pbq3640gr-fusible-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}