{"product_id":"square-d-pq3603-30a-600v-3-pole-switch","title":"Square D PQ3603 - 30A, 600V, 3-Pole, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eWhen reliability and safe isolation are non-negotiable in demanding industrial and commercial settings, the Square D PQ3603 stands out as a robust, compact solution. This 3-Pole switch delivers dependable on\/off control with built-in overcurrent protection for three-phase systems, tailored for environments where space and maintenance efficiency matter.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e PQ3603\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eAmperage:\u003c\/b\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage rating:\u003c\/b\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eConfiguration:\u003c\/b\u003e Compact, maintainable fusible switch designed for reliable isolation and protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this 3-pole switch is a smart choice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise three-phase isolation:\u003c\/strong\u003e With three poles, the PQ3603 guarantees simultaneous disconnection of all lines, enhancing safety during maintenance and preventing arc fault risks in motors and panelboards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, maintainable design:\u003c\/strong\u003e Its streamlined form fits tight electrical spaces and simplifies servicing, reducing downtime during fuse or contact maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted Square D quality:\u003c\/strong\u003e Built to withstand demanding industrial duty, this switch integrates seamlessly with Square D enclosures and protection schemes for consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile protection role:\u003c\/strong\u003e Ideal for motor disconnects, panelboards, and branch circuit protection where a reliable, easy-to-service fusible switch is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperational reliability:\u003c\/strong\u003e Designed for steady operation in environments where lines may experience frequent switching, providing dependable on\/off control to protect equipment and personnel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical applications and use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in manufacturing, pumping systems, or large HVAC installations where three-phase isolation is essential.\u003c\/li\u003e \u003cli\u003ePanelboard protection and centralized control points in commercial facilities, warehouses, or data centers with 3-phase power distribution.\u003c\/li\u003e \u003cli\u003eBranch circuit protection where a compact, maintainable disconnect is required in tight electrical rooms or protected enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTips for installation and operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEnsure the wiring scheme adheres to 600V rating and aligns with your three-phase distribution layout.\u003c\/li\u003e \u003cli\u003ePair the PQ3603 with compatible fusing and enclosure accessories to maintain a cohesive protection system.\u003c\/li\u003e \u003cli\u003eLabel the switch clearly in control panels to indicate the OFF position and the corresponding group of circuits it isolates.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D PQ3603 when you need a reliable, three-pole disconnect that combines compact form with durable performance. It’s built to deliver safe, predictable isolation and modest maintenance demands, making it a practical, long-term choice for motor control, panel protection, and branch circuit safety in busy industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390364864674,"sku":"PQ3603","price":607.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_f5c75143-8329-44fb-a946-3607295b9471.png?v=1765369822","url":"https:\/\/www.ampstate.com\/products\/square-d-pq3603-30a-600v-3-pole-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}