{"product_id":"square-d-qob315as","title":"Square D QOB315AS 315A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB315AS 315A 3-Pole 240 V Circuit Breaker — a purpose-built, high-current protection device designed for demanding three-phase power systems. This component is built to safeguard your critical equipment from overloads and short circuits while delivering dependable performance in commercial and industrial environments.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 315 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QOB315AS\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat it protects and how it benefits you\u003c\/h3\u003e\n\u003cp\u003eFor three-phase power distribution, the 3-pole design ensures simultaneous interruption of all live conductors during a fault, reducing equipment damage and improving overall system safety. A 240 V rating makes it suitable for protecting feeders, motors, and heavy loads typical in commercial buildings and light industrial facilities.\u003c\/p\u003e \u003ch3\u003eWhy choose Square D QOB315AS\u003c\/h3\u003e\n\u003cp\u003eAs part of the trusted Square D family, the QOB315AS is engineered for consistent trip characteristics and durable operation, offering reliable protection for high-current circuits. Its design aligns with Square D enclosures and bus systems, helping you maintain a cohesive, safe, and efficient electrical installation.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtect 3-phase motors and heavy equipment operating at 240 V in manufacturing and processing facilities\u003c\/li\u003e \u003cli\u003eDistribute and protect feeders in commercial electrical panels with substantial load\u003c\/li\u003e \u003cli\u003eReplace aging or undersized breakers in existing Square D installations to restore robust protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eEnsure the panel accepts the QOB family and that the 315 A rating matches the protected circuit’s requirements. Follow manufacturer guidelines for mounting and safety practices to guarantee proper operation and long service life.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423283007650,"sku":"QOB315AS","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-qob315as","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}