{"product_id":"square-d-pq-3603-30a-600v-3-pole-switch","title":"Square D PQ-3603 - 30A, 600V, 3-Pole, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D PQ-3603—a rugged, industrial-grade 3-pole switch engineered for dependable on\/off isolation and overcurrent protection in demanding commercial and industrial environments. With a 30A rating at 600V, this compact device delivers reliable performance where it matters most—protecting equipment, streamlining maintenance, and simplifying panel layouts.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PQ-3603\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 30A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes it stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for balanced isolation\u003c\/strong\u003e ensures all three phases are simultaneously disconnected, reducing the risk of backfeed and unbalanced loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, robust construction\u003c\/strong\u003e supports installation in tight spaces without sacrificing durability in harsh environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable on\/off control\u003c\/strong\u003e provides clear, quick isolation for routine maintenance and emergency shutdowns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating\u003c\/strong\u003e makes it suitable for standard 3-phase systems found in industrial settings, while maintaining straightforward integration with existing panelboards and devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for motor disconnects and branch circuits\u003c\/strong\u003e—a practical choice where a compact, maintainable fusible switch is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal uses and scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in industrial equipment rooms, conveyors, pumps, and fans where dependable isolation is critical for service and safety.\u003c\/li\u003e \u003cli\u003ePanelboard applications requiring a dedicated isolation switch to segment circuits during maintenance or fault conditions.\u003c\/li\u003e \u003cli\u003eBranch circuit protection in compact electrical enclosures where space-saving, maintainable switching is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this switch supports your operations\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSafety and maintenance confidence:\u003c\/strong\u003e quick, decisive isolation minimizes downtime and supports safe servicing of energized equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient panel integration:\u003c\/strong\u003e its compact footprint helps you optimize enclosure layouts without compromising performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility:\u003c\/strong\u003e designed to work within standard electrical distributions that demand reliable, three-phase switching.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for implementation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify system voltage and current ratings align with your installation to ensure compliant, safe operation.\u003c\/li\u003e \u003cli\u003ePlan mounting in a suitable enclosure rated for the environment to protect the switch from dust, moisture, and incidental contact.\u003c\/li\u003e \u003cli\u003eLabel circuits clearly and establish a lockout\/tagout procedure to maximize safety during maintenance.\u003c\/li\u003e \u003cli\u003ePair with appropriate wiring hardware and torque specifications per local codes to maintain solid electrical connections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether upgrading an aging panel, configuring a new motor discharge path, or organizing branch circuits in a compact footprint, the Square D PQ-3603 delivers dependable isolation and overcurrent protection with a design focused on reliability, serviceability, and real-world performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390392914082,"sku":"PQ-3603","price":1402.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_ff059f59-fc7c-4dc0-be29-4cd22ae61e63.png?v=1765370112","url":"https:\/\/www.ampstate.com\/products\/square-d-pq-3603-30a-600v-3-pole-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}