{"product_id":"square-d-qbm32150tn","title":"Square D QBM32150TN 150A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QBM32150TN 150A 3-Pole 240V Circuit Breaker—a purpose-built protection device designed for 3-phase electrical feeds in commercial and industrial panels. This model, part of the Square D QBM family, offers dependable interruption when overloads or faults occur, helping keep equipment safe and systems running smoothly.\u003c\/p\u003e \u003ch3\u003eSpecs at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e QBM32150TN\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 150 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\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-Pole 240V breaker matters\u003c\/h3\u003e\n\u003cp\u003eDesigned for true 3-phase protection, the 3-pole configuration ensures simultaneous disconnection on all phases, which is essential for balanced load protection and motor circuits. With a 150 A rating, it enables clean, reliable feeder protection for large loads, three-phase motors, and other hefty equipment common in commercial environments. The 240 V rating makes it suitable for standard 3-phase 208–240 V systems, providing a dependable safeguard across typical industrial and large-office applications.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFeeder protection for 3-phase motors and heavy equipment in manufacturing facilities\u003c\/li\u003e \u003cli\u003eMain or branch circuit protection in commercial panelboards requiring 150 A capacity\u003c\/li\u003e \u003cli\u003eReplacement or upgrade within Square D panels that specify the QBM32150TN model\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cp\u003eThis breaker is purpose-built for Square D panels and the QBM line, offering a compatible fit that minimizes compatibility concerns during installation. Its 3-pole design provides coordinated interruption across all conductors in 3-phase circuits, helping prevent phase imbalances and reducing fault durations compared to single- or dual-pole alternatives on the same system.\u003c\/p\u003e \u003ch3\u003eInstallation and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility with the QBM series and confirm the QBM32150TN is the correct replacement part for your board.\u003c\/li\u003e \u003cli\u003eAlways power down the system and follow lockout\/tagout procedures before replacing a circuit breaker.\u003c\/li\u003e \u003cli\u003eEnsure terminal connections are torqued to the panel’s specification and keep the terminals clean from corrosion or debris.\u003c\/li\u003e \u003cli\u003eKeep a record of part numbers and trip characteristics to simplify future maintenance or part replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat you gain with this Square D breaker\u003c\/h3\u003e\n\u003cp\u003eReliable protection for large, multi-phase loads, reduced risk of cascading faults, and a straightforward path to restoring service after a fault. If your application calls for a 150 A, 3-pole, 240 V solution in a Square D panel, the QBM32150TN is purpose matches your needs—delivering clear protection and a trusted performance profile for demanding electrical environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423178903714,"sku":"QBM32150TN","price":4339.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qbm32150tn-150a-3-pole-240-v-circuit-breaker-399.webp?v=1789279398","url":"https:\/\/www.ampstate.com\/products\/square-d-qbm32150tn","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}