{"product_id":"qn2150h","title":"Siemens QN2150H - 150A, 240VAC, 2-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eSiemens QN2150H\u003c\/strong\u003e—a robust 2-pole circuit breaker engineered for dependable overcurrent protection in demanding environments. Rated for \u003cstrong\u003e150A\u003c\/strong\u003e at up to \u003cstrong\u003e240V\u003c\/strong\u003e, this device is purpose-built for industrial, commercial, and OEM applications where safe, reliable operation in distribution panels and motor control centers is non-negotiable.\u003c\/p\u003e \u003ch3\u003eWhy a 2-Pole, 240V design matters\u003c\/h3\u003e\n\u003cp\u003eThe two-pole configuration provides simultaneous disconnection of both conductors, enhancing safety and protecting equipment from phase-to-phase faults. With a 240V rating, it’s ideal for feeding 240V circuits, motors, pumps, and other heavy-load equipment commonly found in panelboards, switchboards, and control panels.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240VAC\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\n\u003c\/ul\u003e \u003ch3\u003eWhat makes the QN2150H stand out\u003c\/h3\u003e\n\u003cp\u003eThis breaker isn’t just a component; it’s a trusted part of a broader Siemens protection ecosystem. The QN2150H is designed for seamless integration with Siemens panelboards, switchboards, and control panels, delivering consistent performance in distribution panels and motor control centers. Its two-pole design reduces wiring complexity and provides coordinated protection for multi-wire 240V circuits, helping to minimize downtime and equipment damage when faults occur.\u003c\/p\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial panelboards and switchboards requiring high-current protection\u003c\/li\u003e \u003cli\u003eControl panels for machinery, conveyors, and automation systems\u003c\/li\u003e \u003cli\u003eMotor control centers and large feeder circuits\u003c\/li\u003e \u003cli\u003eCommercial equipment and OEM assemblies that rely on dependable, durable overcurrent protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical benefits\u003c\/h3\u003e\n\u003cp\u003eFor facilities with 240V distribution, the QN2150H provides rapid, reliable shutdown of both hot lines during a fault, helping protect motors, drives, and ancillary components. It’s well-suited for protecting feeders to motors up to substantial horsepower, or as a main protection device in subpanels where space and wiring simplicity matter. The compatibility with Siemens’ QN family means technicians can source replacements or upgrades without reengineering the protection scheme.\u003c\/p\u003e \u003ch3\u003eInstallation and longevity tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panelboard, switchboard, or control panel is compatible with Siemens QN-series breakers and rated for 240V operation.\u003c\/li\u003e \u003cli\u003eInstall in accordance with the panel’s layout to ensure proper conductors seating and secure termination. Follow the manufacturer’s installation guidelines for torque and alignment.\u003c\/li\u003e \u003cli\u003eUse as part of a planned protection scheme to coordinate with upstream and downstream devices, reducing nuisance trips and improving overall system reliability.\u003c\/li\u003e \u003cli\u003eRegularly inspect for signs of wear, overheating, or unusual tripping patterns; replace if integrity is compromised to maintain safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the \u003cstrong\u003eQN2150H\u003c\/strong\u003e, you get a purpose-built, high-capacity circuit protector that aligns with Siemens’ dependable protection philosophy. It’s the practical choice when you need solid, long-lasting overcurrent protection for 240V, two-pole applications in industrial, commercial, and OEM environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":46390518448290,"sku":"QN2150H","price":596.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_a9a398a1-0116-428a-9958-0bc5385ef125.png?v=1765376447","url":"https:\/\/www.ampstate.com\/products\/qn2150h","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}