{"product_id":"square-d-kal361501021-circuit-breaker","title":"Square D | KAL361501021 | Circuit Breaker | 150A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D KAL361501021 Circuit Breaker—a dependable solution for protecting three‑phase power in demanding environments. With a 150A rating and 3‑pole construction, this 600V breaker is designed for maintenance, retrofit, and replacement projects where exact specifications matter, helping you keep critical equipment and systems running safely.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e KAL361501021 (best reference for compatibility)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the Square D KAL361501021? This unit is purpose‑built for three‑phase installations, delivering reliable circuit protection in industrial and commercial panels that operate at up to 600V. Its exact specifications align with legacy and modern Square D assemblies, helping minimize downtime during maintenance or panel upgrades.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replace aging or failed breakers in 3‑phase, 600V systems to restore reliable protection.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade panels to current specs without changing downstream wiring or bussing.\u003c\/li\u003e \u003cli\u003eReplacement: when a compatible 150A, 3‑pole, 600V model is required to match existing protection schemes.\u003c\/li\u003e \u003cli\u003ePanel compatibility projects: particularly where the part number KAL361501021 is specified as the reference for fit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The part number is the most reliable reference for compatibility with your Square D panel or enclosure.\u003c\/li\u003e \u003cli\u003eCheck your panel documentation to ensure your system is a 3‑pole, 600V configuration and that 150A is the intended protection level for the circuit you’re upgrading or replacing.\u003c\/li\u003e \u003cli\u003ePlan for safe installation and proper de‑energization procedures, following your facility’s electrical safety practices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals upgrading or maintaining 3‑phase electrical systems, the Square D KAL361501021 offers a precise, dependable match to the specifications your panel demands. Its clear, spec‑driven compatibility reduces guesswork and helps you complete projects with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426799407266,"sku":"KAL361501021","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/square-d-kal361501021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}