{"product_id":"siemens-hqr22b150-150a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens HQR22B150 - 150 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HQR22B150 is a 150A, 240V, 2-pole bolt-on molded case circuit breaker designed to guard branch circuits against overcurrent and short-circuits. Built for panelboards and load centers, it delivers dependable, repeatable protection across residential, commercial, and light industrial applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e creates a rigid, vibration-resistant bus connection, reducing movement and improving long-term reliability in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers fast magnetic tripping for short circuits and a controlled thermal trip for overloads, providing stable, predictable protection as loads evolve.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 150A, 240V\u003c\/strong\u003e configuration protects both hot conductors of 240V circuits, making it ideal for main distribution paths and critical branch circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e design ensures seamless compatibility with matching Siemens OEM load centers and panelboards, simplifying installations and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication versatility\u003c\/strong\u003e suited for residential service panels, commercial distribution boards, and light industrial panels where reliable protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart and type\u003c\/strong\u003e HQR22B150, a thermal-magnetic molded case circuit breaker built for durable, long-lasting performance in real-world electrical systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Siemens HQR22B150 for your panel?\u003c\/h3\u003e\n\u003cp\u003eWhen upgrading or configuring a panelboard or loadcenter, the HQR22B150 provides a robust, plug-resistant option that stays put under vibration and electrical chatter. The bolt-on mounting reduces accidental disconnections, while the thermal-magnetic trip mechanism delivers consistent performance across varied load profiles, helping prevent nuisance trips and ensuring circuit protection remains dependable when it matters most.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eNew installations in residential service panels or small commercial distribution panels requiring a reliable 2-pole 150A breaker.\u003c\/li\u003e \u003cli\u003eUpgrades in retrofit projects where a secure, bolt-on connection is preferred over plug-in alternatives.\u003c\/li\u003e \u003cli\u003eSubdivision of 240V circuits that demand solid short-circuit protection and stable overload protection in light industrial equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: HQR22B150\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 150A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349813317794,"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_e80f50dd-6dbe-4735-9247-91df1ebe8997.png?v=1764157561","url":"https:\/\/www.ampstate.com\/products\/siemens-hqr22b150-150a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}