{"product_id":"siemens-qj22b150-150a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens QJ22B150 - 150 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ22B150—a 150A, 240V, 2-pole bolt-on molded case circuit breaker designed to shield your panelboards and load centers from overcurrent and short circuits. Built for dependable protection, this MCCB delivers reliable performance in a variety of electrical environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSecure bolt-on mounting for a rigid, vibration-resistant bus connection.\u003c\/strong\u003e The bolt-on design ensures a solid, low-resistance connection to the bus bars, minimizing loose connections and arcing that can compromise protection and system reliability.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eThermal-magnetic trip unit for stable, repeatable protection.\u003c\/strong\u003e By combining thermal overload detection with magnetic short-circuit sensing, this breaker responds quickly to fault conditions, preserving wiring, devices, and downstream equipment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eOEM-compatible for seamless panel integration.\u003c\/strong\u003e Specifically engineered to work with matching Siemens OEM load centers and panelboards, ensuring proper fit, trip characteristics, and long-term compatibility.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eVersatile for residential, commercial, and light industrial use.\u003c\/strong\u003e Ideal for guarding branch circuits and main feeders in homes, small offices, and light industrial installations where reliable protection is essential.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QJ22B150\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 150A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases include upgrading or replacing a failed breaker in Siemens panelboards and load centers, protecting critical branch circuits in residential service panels, and supplying stable protection for lighting, receptacle, and small equipment circuits in commercial or light industrial settings. If you need a reliable, compatible solution for Siemens systems, the QJ22B150 delivers predictable protection and straightforward installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355160400034,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj22b150-150-a-240-v-2-pole-bolt-on-circuit-breaker-916.webp?v=1788736749","url":"https:\/\/www.ampstate.com\/products\/siemens-qj22b150-150a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}