{"product_id":"square-d-qo3151042","title":"Square D QO3151042 15A 3-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QO3151042 15A 3-Pole 240 V Circuit Breaker is a robust solution designed to protect multi-conductor 240-volt circuits in Square D QO panels. With three energized poles and a 15-amp rating, this unit provides dependable overcurrent protection for demanding electrical loads while keeping installation streamlined and code-aligned.\u003c\/p\u003e \u003ch2\u003eWhy this model matters\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for 240 V protection:\u003c\/strong\u003e Safely disconnects all three conductors on a 240 V circuit, ensuring balanced protection for equipment that relies on multiple hot legs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e15-amp rating:\u003c\/strong\u003e Quietly handles moderate load appliances and equipment without nuisance trips, while still delivering reliable protection against overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQO family compatibility:\u003c\/strong\u003e Engineered to fit standard Square D QO load centers and enclosures, delivering a consistent, secure mount and predictable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number clarity:\u003c\/strong\u003e QO3151042 is the precise replacement choice for 15 A, 3-Pole, 240 V service needs, making stock management and service calls straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cp\u003eUse this 3-pole 240 V breaker to protect circuits that power three-phase equipment or three-hot-leg loads in residential-style or light commercial environments. Typical scenarios include HVAC equipment, 240 V motors, compressors, and other heavy-duty appliances that require reliable disconnect across all conductors. It’s an excellent fit when you’re expanding a panel, upgrading from a lower-pole count, or replacing a failing unit with a like-for-like 15 A 3-Pole 240 V breaker.\u003c\/p\u003e \u003ch2\u003eWhat problems it solves\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePrevents electrical damage from overcurrents on all three lines of a 240 V circuit, reducing the risk of fire or equipment failure.\u003c\/li\u003e \u003cli\u003eProvides a clean, coordinated fault response across multiple poles, helping maintain panel reliability and simplify troubleshooting.\u003c\/li\u003e \u003cli\u003eOffers a straightforward, familiar form factor for quick replacements, minimizing downtime during service or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical guidance\u003c\/h2\u003e\n\u003cp\u003eWhen selecting a breaker for your Square D panel, ensure you match the pole count (3-Pole), voltage rating (240 V), and current rating (15 A) to the circuit’s requirements. This model is the right choice for 15-amp, three-conductor 240-volt loads within QO-series panels, delivering consistent protection aligned with standard installation practices.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423252271266,"sku":"QO3151042","price":642.0,"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-qo3151042","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}