{"product_id":"square-d-pq3603g-30a-3-phase-fusible-switch","title":"Square D PQ3603G - 30A, 3-Phase, Fusible, Switch","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Square D PQ3603G — a rugged 30A, 3-Phase fusible switch built for reliable on\/off isolation and robust overcurrent protection in demanding industrial and commercial environments. This compact, maintainable switch is purpose-designed to safeguard motor circuits, panelboards, and branch circuits with confidence.\u003c\/p\u003e \u003cp\u003eKey features and why they matter:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: PQ3603G — a trusted Square D designation for dependable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 30A — suitable for moderate-load motor and circuit protection needs without excessive enclosure size.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePhase\u003c\/strong\u003e: 3-Phase — aligns with common industrial power systems for reliable disconnects in multi-phase equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible\u003c\/strong\u003e: Integrated fusible design provides immediate overcurrent protection, helping prevent damage from overloads and short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Ideal for motor disconnects, panelboards, and branch circuit protection in space-constrained installations where quick isolation is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesign advantage\u003c\/strong\u003e: Compact, maintainable construction enables straightforward wiring, fuse replacement, and routine servicing to minimize downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases you can rely on daily: disconnecting and isolating motors during maintenance without shutting down the entire facility, protecting panelboards in crowded electrical rooms, and providing a safe, code-compliant point of isolation for branch circuits in commercial equipment setups.\u003c\/p\u003e \u003cp\u003eWho benefits most: maintenance teams, electrical engineers, and facilities managers overseeing manufacturing floors, HVAC systems, conveyors, pumps, and other three-phase machinery. If you need a compact, purpose-built fusible switch that delivers dependable isolation and targeted overcurrent protection, the PQ3603G is engineered to perform with consistency and ease.\u003c\/p\u003e \u003cp\u003eWhy this matters in real-world terms: by combining precise 3-phase control, a fusible protection mechanism, and a space-efficient form factor, the PQ3603G minimizes downtime during fuse changes and simplifies routine checks—keeping critical processes online and protected without unnecessary bulk or complexity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390400712866,"sku":"PQ3603G","price":1581.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_29fa0749-710e-4698-a730-5d227cf0f083.png?v=1765370235","url":"https:\/\/www.ampstate.com\/products\/square-d-pq3603g-30a-3-phase-fusible-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}