{"product_id":"siemens-qr22b150l-150a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens QR22B150L - 150 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QR22B150L is a 150 A, 240 V, 2-pole bolt-on molded case circuit breaker designed to protect your electrical system from overcurrent and short circuits. Built for dependable performance in panelboards and load centers, this unit delivers a secure, vibration-resistant connection and precise protective action when it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection that stays put in busy panels and environments with movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection across varying loads, reducing nuisance trips while ensuring fast response to faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-and-play compatibility\u003c\/strong\u003e with matching Siemens OEM load centers and panelboards for straightforward upgrades and replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial electrical distributions demanding reliable branch-circuit protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear protection scope\u003c\/strong\u003e guards each branch circuit from overcurrent and short circuits, helping prevent equipment damage and electrical fires.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 150 A, 240 V\u003c\/strong\u003e configuration tailored for common 2-wire\/grounded systems in modern panel setups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this matters in real-world installations\u003c\/h2\u003e\n\u003cp\u003eWhen panel reliability and uptime are non-negotiable, the QR22B150L delivers. The bolt-on design keeps the breaker securely seated even in panels subject to vibration from heating, cooling, or heavy equipment. The thermal-magnetic trip ensures predictable disconnection behavior, so you’re not surprised by trips during startup surges or high-demand periods. This makes it a practical choice for service panels in homes, commercial suites, light industrial shops, and mechanical rooms where dependable protection is essential.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QR22B150L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\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\u003eApplications:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging breakers in existing panelboards and load centers\u003c\/li\u003e \u003cli\u003eUpgrading service panels to support higher continuous loads\u003c\/li\u003e \u003cli\u003eResidential service entrances, small commercial spaces, and light industrial equipment rooms\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens QR22B150L, you get a purpose-built, dependable solution that aligns with Siemens’ panelboard ecosystems, delivering clear protection benefits, installer-friendly mounting, and compatibility you can trust for years of trouble-free operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355164266658,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_adb6f982-ac64-43f3-8fd3-ee9e0be6ac22.png?v=1764689896","url":"https:\/\/www.ampstate.com\/products\/siemens-qr22b150l-150a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}