{"product_id":"industrial-qnbl2050","title":"Industrial QNBL2050 50A 2-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Industrial QNBL2050—a rugged, dependable circuit protection solution designed for demanding industrial environments. With a 50 A current rating across 2 poles at 240 V, this breaker provides reliable interruption and safe isolation for essential equipment and heavy-duty electrical circuits.\u003c\/p\u003e \u003ch3\u003eOverview \u0026amp; key specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePart Number: QNBL2050\u003c\/li\u003e \u003cli\u003eCurrent rating: 50 A\u003c\/li\u003e \u003cli\u003ePoles: 2\u003c\/li\u003e \u003cli\u003eVoltage rating: 240 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 2-pole 240 V breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBalanced protection: The two-pole design disconnects both hot conductors in a 240 V circuit, enabling safer maintenance and preventing partial energization of connected equipment.\u003c\/li\u003e \u003cli\u003eIndustrial-grade reliability: Built to handle the rigors of continuous operation in manufacturing floors, warehouses, and process lines, delivering consistent performance where it matters most.\u003c\/li\u003e \u003cli\u003eSimplified integration: A straightforward fit for industrial panels and distribution boards, helping streamline upgrades or retrofits without unnecessary complexity.\u003c\/li\u003e \u003cli\u003eTargeted protection for demanding loads: The 50 A rating is well-suited for circuits feeding motors, conveyors, pumps, compressors, and other heavy-duty equipment typical in industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower distribution panels in production lines and facilities\u003c\/li\u003e \u003cli\u003eMotor control circuits for conveyors, pumps, and drive systems\u003c\/li\u003e \u003cli\u003eHVAC and process equipment that require reliable 240 V protection\u003c\/li\u003e \u003cli\u003ePanel upgrades or new installations where robust, code-aligned protection is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation, compatibility \u0026amp; practical tips\u003c\/h3\u003e\n\u003cp\u003eTo maximize protection and reliability, pair the QNBL2050 with appropriately rated conductors and ensure it matches your panel’s mounting and trip characteristics. Verify that your load requirements align with a 50 A, 240 V, two-pole configuration, and follow all local electrical codes for safe installation. Regularly inspect for signs of wear or nuisance trips, and replace after any fault events to maintain ongoing protection.\u003c\/p\u003e \u003ch3\u003eCommon questions\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eWhat does 2-pole mean for a 240 V circuit?\u003c\/strong\u003e It disconnects both hot lines simultaneously, ensuring complete isolation and safer service work on the circuit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIs this breaker suitable for industrial equipment?\u003c\/strong\u003e Yes—its 50 A rating and rugged design target typical industrial loads such as motors, pumps, and heavy machinery operating at 240 V.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHow do I know if this is the right part?\u003c\/strong\u003e If your panel and application call for a 50 A, 2-pole, 240 V circuit breaker, the QNBL2050 aligns with those specifications and common industrial installation needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Industrial","offers":[{"title":"Default Title","offer_id":46423255515298,"sku":"QNBL2050","price":510.0,"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\/industrial-qnbl2050","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}