{"product_id":"qou245","title":"Square D QOU245 - 45A, 2-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOU245 — a rugged 45A, 2-pole circuit breaker engineered for dependable overcurrent protection in demanding electrical environments. Built to integrate seamlessly into panelboards, switchboards, and control panels, this unit is a reliable building block for safe, continuous operation in industrial, commercial, and OEM applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 45A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfiguration benefits:\u003c\/strong\u003e 2-pole design enables simultaneous disconnection of both hot legs, enhancing safety for 240V circuits and motor-driven loads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 2-pole design matters\u003c\/h3\u003e\n\u003cp\u003eWith a two-pole configuration, the QOU245 provides coordinated protection across both lines. This means when an overcurrent event occurs, both poles trip together, reducing the risk of shock, minimizing arc exposure, and ensuring a clean, safe shutdown of multi-phase equipment. It’s especially beneficial for motor control centers and any installation where protection on all live conductors is essential.\u003c\/p\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDistribution panels and switchboards in industrial facilities where heavy loads and motors are common\u003c\/li\u003e \u003cli\u003eMotor control centers needing reliable branch circuit protection\u003c\/li\u003e \u003cli\u003eCommercial electrical feeders requiring robust, space-efficient overcurrent protection\u003c\/li\u003e \u003cli\u003eOEM equipment enclosures that demand quick, dependable protection that fits standard Square D panel ecosystems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets the QOU245 apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTrusted brand heritage:\u003c\/strong\u003e Part of Square D’s proven protection lineup, designed for compatibility with a wide range of Square D panels and accessories.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear protection for critical loads:\u003c\/strong\u003e 45A rating is well-suited for mid-range feeders and motor circuits, balancing protection with the ability to sustain legitimate startup and running currents.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction for harsh environments:\u003c\/strong\u003e Built to withstand industrial conditions, helping reduce nuisance tripping and maintenance downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and practical tips\u003c\/h3\u003e\n\u003cp\u003ePlan for compatibility with your panelboard or switchboard before replacement or new installation. Confirm that the QOU245 fits your enclosure’s space and bus configuration, and follow the manufacturer’s torque and alignment recommendations to ensure reliable engagement. Consider the ambient temperature and cooling in your service location, as these factors can influence trip characteristics and long-term performance.\u003c\/p\u003e \u003cp\u003eWhether you’re upgrading a distribution panel, configuring a motor control center, or stocking OEM equipment with dependable protection, the Square D QOU245 delivers precise, durable overcurrent protection with a design that aligns with established Square D ecosystems. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390616686754,"sku":"QOU245","price":98.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_73777d19-1c18-4dc5-84d4-03c1af54e8eb.png?v=1765378112","url":"https:\/\/www.ampstate.com\/products\/qou245","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}