{"product_id":"siemens-hqr22b150h-150a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens HQR22B150H - 150 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HQR22B150H — a 150 A, 240 V, 2-pole bolt-on molded case circuit breaker designed to guard your panelboards and load centers against overcurrent and short-circuit events. Built for durability, this unit anchors securely with bolt-on mounting for a rigid, vibration-resistant bus connection, delivering dependable protection where it matters most.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rock-solid connection that minimizes loosening from vibration or panel movement, enhancing long-term reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by reacting to both overload (thermal) and instantaneous short-circuits (magnetic), helping prevent nuisance trips while safeguarding wiring and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e designed to work seamlessly with Siemens load centers and panelboards, simplifying replacement, upgrades, or modular expansions in existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple sectors\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications where dependable branch circuit protection is critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and practical scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrade or replace legacy breakers in service panels, subpanels, or distributed load centers where a sturdy bolt-on solution is preferred.\u003c\/li\u003e \u003cli\u003eProtection for high-load circuits in light commercial spaces such as offices, small retail, or workshops that demand consistent trip characteristics under varying ambient conditions.\u003c\/li\u003e \u003cli\u003eNew installations requiring a reliable, code-compliant 2-pole 150 A breaker to safeguard main distribution paths and critical branch circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePerformance you can rely on\u003c\/h3\u003e\n\u003cp\u003eThe HQR22B150H is purpose-built to deliver precise protection where it’s needed most. Its thermal-magnetic mechanism responds quickly to short circuits while maintaining stable operation during normal loading, reducing the risk of sudden outages and protecting conductors from damage. The bolt-on design not only simplifies future maintenance but also minimizes connection resistance that can accumulate with time in vibration-prone environments.\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 HQR22B150H\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\u003ePoles:\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\u003eChoose the Siemens HQR22B150H when you need a dependable, OEM-compatible solution that combines robust mechanical mounting with precise thermal-magnetic protection. It’s engineered to keep critical circuits safe in a range of residential, commercial, and light industrial panel environments, delivering consistent performance you can trust year after year.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349813350562,"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_020776cd-a217-4c33-bebb-0b0fe4bf57bc.png?v=1764157562","url":"https:\/\/www.ampstate.com\/products\/siemens-hqr22b150h-150a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}