{"product_id":"square-d-ps3603-bus-plug","title":"Square D | PS3603 | Bus Plug | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D \u003cstrong\u003ePS3603 Bus Plug\u003c\/strong\u003e — a purpose-built 3-pole bus plug engineered for dependable maintenance, retrofit, and replacement projects in Square D electrical systems. When you need to preserve system integrity while servicing or upgrading, this bus plug delivers a precise fit that professionals trust.\u003c\/p\u003e \u003cp\u003eDesigned to meet exact specifications, the PS3603 is the go-to choice whenever a \u003cem\u003e3-pole\u003c\/em\u003e configuration is required. It helps you isolate, reconduit, or reconfigure panels without compromising safety or reliability, making it ideal for routine maintenance, panel upgrades, or replacement of worn or outdated components.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest use cases:\u003c\/strong\u003e maintenance shutdowns, retrofit projects, and precise replacements where matching specs are essential\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reference:\u003c\/strong\u003e the part number PS3603 is the most reliable reference to ensure proper fit\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe PS3603 bus plug is a practical solution for electrical technicians, facilities managers, and service teams who need a dependable, ready-to-use part that aligns with Square D standards. If you’re upgrading controls, restoring an installation, or stocking a spare for fast service, this 3-pole bus plug helps you keep downtime short and performance consistent.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eImportant note\u003c\/strong\u003e: before ordering, confirm fit and ratings for your specific panel and system. Rely on the PS3603 part number as the best compatibility reference to avoid mismatches and ensure safe, compliant operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425746112674,"sku":"PS3603","price":990.0,"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-ps3603-bus-plug","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}