{"product_id":"square-d-qbm32110tn","title":"Square D QBM32110TN 110A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QBM32110TN\u003c\/strong\u003e 110A 3-Pole 240 V Circuit Breaker is engineered to protect your three-phase power distribution with precision and reliability. This part, identified by QBM32110TN, is built for commercial and industrial panels where consistent protection across all three phases matters.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 110 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 QBM32110TN\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy a 3-pole breaker matters for your system\u003c\/h3\u003e\n\u003cp\u003eIn three-phase electrical installs, a 3-pole breaker like the QBM32110TN provides synchronized protection across all phases, reducing the risk of unbalanced loads and accidental under-protection. Replacing multiple single-pole breakers with a single 3-pole unit simplifies wiring, labeling, and maintenance while delivering unified tripping behavior for all phases—crucial for motors, conveyors, HVAC equipment, and other three-phase loads.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase motor drives and equipment in commercial or light industrial settings\u003c\/li\u003e \u003cli\u003eMain distribution in panels that support QBM-series breakers\u003c\/li\u003e \u003cli\u003eHVAC systems, pumps, and other 3-phase machinery requiring reliable protection at 110 A\u003c\/li\u003e \u003cli\u003ePanel upgrades or replacements where a single, integrated 3-pole solution improves reliability and serviceability\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this part stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted protection for three-phase circuits:\u003c\/strong\u003e Instead of juggling multiple breakers, you get cohesive trip coordination across all phases, enhancing protection and simplifying diagnostics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect-fit replacement in compatible Square D panels:\u003c\/strong\u003e Designed to integrate with panels that accept QBM-series devices, helping maintain panel integrity and labeling clarity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction for demanding environments:\u003c\/strong\u003e Built to withstand the rigors of commercial and industrial installations while maintaining consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore installing, verify that your panel accepts QBM-series breakers and that the bus stabs and enclosure are rated for 240 V three-phase operation. Follow your panel manufacturer’s wiring and torque specifications, and label the circuit clearly to reflect its 110 A, 3-pole protection. This part is intended as a replacement or upgrade for existing QBM-based installations, helping you achieve reliable, uniform protection with minimal panel disruption.\u003c\/p\u003e \u003ch3\u003eMaintenance and care\u003c\/h3\u003e\n\u003cp\u003ePeriodically inspect for signs of wear, overheating, or corrosion on the breaker body and terminals. If the protected load exceeds 110 A or if the panel experiences frequent tripping, reassess the circuit design and consider a higher-capacity or properly coordinated solution to prevent nuisance trips and ensure safe operation.\u003c\/p\u003e \u003cp\u003eFor professional electrical projects requiring dependable three-phase protection, the Square D QBM32110TN 110A 3-Pole 240 V Circuit Breaker delivers precise, unified control across all phases and simplifies your distribution panel setup.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423152066722,"sku":"QBM32110TN","price":4124.0,"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-qbm32110tn","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}