{"product_id":"square-d-qob3155237","title":"Square D QOB3155237 15A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB3155237 15A 3-Pole 240 V Circuit Breaker — a precise, reliable protection device designed for 3-phase 240V systems. This specific part number ensures a perfect fit in compatible Square D panels, delivering dependable overcurrent protection for mid-range loads in commercial and light-industrial settings.\u003c\/p\u003e \u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 15 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 QOB3155237\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat it protects and where it shines\u003c\/h2\u003e\n\u003cp\u003eThis 3-pole breaker is ideal for safeguarding 3-phase equipment and circuits that operate at 240 volts. Use cases include motor drives, compressors, HVAC equipment, pumps, conveyors, and other substantial loads wired for 240V. By disconnecting all three live conductors simultaneously, it enhances safety during maintenance and fault events, helping protect both people and equipment.\u003c\/p\u003e \u003ch2\u003eWhy choose this Square D breaker\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit and reliability\u003c\/strong\u003e—Part number QOB3155237 guarantees compatibility with Square D panels that accept 3-pole 240V breakers, simplifying replacement and reducing installation guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear protection for 240V networks\u003c\/strong\u003e—The 15A rating aligns with common load profiles, preventing nuisance trips while guarding against overloads on balanced or unbalanced 240V circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesigned for 3-phase systems\u003c\/strong\u003e—Serves as a safe, reliable disconnect for all live conductors in a 240V, three-phase configuration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and maintenance tips\u003c\/h2\u003e\n\u003cp\u003eEnsure the panel is de-energized before replacement. Confirm the panel accepts a 3-pole 240V breaker in the QOB family, then install in the correct slot with proper alignment to the bus bars. After installation, verify proper seating and labeling per your panel’s instructions, and schedule routine checks to monitor connection integrity and any trip history that may indicate changing load conditions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423538761890,"sku":"QOB3155237","price":867.0,"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-qob3155237","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}