{"product_id":"siemens-qrh22b250-250a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens QRH22B250 - 250 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QRH22B250—a robust 2-pole, bolt-on molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. With a 250A rating at 240V, this unit is designed to reliably interrupt fault currents and safeguard electrical systems in residential, commercial, and light industrial environments.\u003c\/p\u003e \u003ch2\u003eSecure, vibration-resistant bolt-on mounting\u003c\/h2\u003e\n\u003cp\u003eBolts-on directly to compatible Siemens OEM load centers and panelboards, delivering a rigid, vibration-resistant bus connection. This strong mechanical fit helps minimize nuisance trips caused by movement or vibration in demanding installations, delivering steady performance over time.\u003c\/p\u003e \u003ch2\u003eThermal-magnetic protection for stable, repeatable performance\u003c\/h2\u003e\n\u003cp\u003eThe thermal-magnetic trip unit combines precise overload protection with fast short-circuit interruption. By reacting to both temperature changes and magnetic fault currents, it provides predictable trip behavior across a wide range of loads, reducing wear on downstream equipment and improving overall system reliability.\u003c\/p\u003e \u003ch2\u003eOEM compatibility and versatile applications\u003c\/h2\u003e\n\u003cp\u003eDesigned to align with matching OEM load centers and panelboards, the QRH22B250 integrates seamlessly into existing electrical architectures. Its 240V, 250A ratings make it suitable for high-current residential feeders, commercial circuits, and light industrial branch protections—where robust, code-compliant protection is non-negotiable.\u003c\/p\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\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 QRH22B250\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 250A\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 \u003ch2\u003eIdeal for\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or expanding panelboards and load centers with reliable, code-compliant protection\u003c\/li\u003e \u003cli\u003eResidential power distribution where higher-current feeders require secure, durable protection\u003c\/li\u003e \u003cli\u003eCommercial spaces and light industrial installations needing robust fault protection and minimal maintenance\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cp\u003eUnlike generic breakers, the QRH22B250 combines a secure bolt-on connection with a thermal-magnetic trip that delivers stable, repeatable protection across varying loads and fault conditions. This means fewer trips during routine load changes, longer equipment life, and greater peace of mind for system designers and maintenance teams.\u003c\/p\u003e \u003ch2\u003ePractical tips for deployment\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePair with matching Siemens load centers or OEM panelboards to ensure optimal fit and performance.\u003c\/li\u003e \u003cli\u003ePlan for 240V circuits that require reliable, high-current protection—this breaker excels in feeders and main distribution paths where a 250A rating provides the needed headroom.\u003c\/li\u003e \u003cli\u003eRegularly inspect mounting hardware and bus connections during routine maintenance to preserve the integrity of the bolt-on connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355167379618,"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_9a56256b-fa33-4202-8211-21e08aada81f.png?v=1764689936","url":"https:\/\/www.ampstate.com\/products\/siemens-qrh22b250-250a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}