{"product_id":"siemens-qr22b125-125a-240v-2-pole-bolt-on-circuit-breaker","title":"Siemens QR22B125 - 125 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens \u003cstrong\u003eQR22B125\u003c\/strong\u003e — a \u003cstrong\u003e125A, 240V, 2-pole bolt-on molded case circuit breaker\u003c\/strong\u003e engineered to deliver reliable overcurrent and short-circuit protection where it matters most. Designed for seamless integration in panelboards and load centers, this breaker keeps your electrical system safe while supporting smooth, long-term operation in a variety of settings.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e — a rigid, vibration-resistant bus connection that minimizes loosening risks in demanding installations and reduces maintenance concerns over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e — provides stable, repeatable protection against both overloads and short circuits, helping prevent nuisance trips while safeguarding downstream circuitry.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e125A, 240V, 2-pole configuration\u003c\/strong\u003e — sized to protect larger branch circuits and coordinate effectively with compatible panelboards and load centers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e — matches Siemens OEM load centers and panelboards for a clean, reliable fit with existing equipment and field upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e — ideal for residential, commercial, and light industrial environments where dependable branch circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical highlights at a glance: Siemens \u003cstrong\u003eQR22B125\u003c\/strong\u003e, molded case circuit breaker, \u003cstrong\u003e125A\u003c\/strong\u003e rating, \u003cstrong\u003e240V\u003c\/strong\u003e, \u003cstrong\u003e2-pole\u003c\/strong\u003e, \u003cstrong\u003eBolt-on\u003c\/strong\u003e mounting, purpose-built for \u003cstrong\u003ebranch circuit overcurrent and short-circuit protection\u003c\/strong\u003e.\u003c\/p\u003e \u003cp\u003eWho benefits most: electricians, facilities managers, and contractors looking for a robust, space-efficient solution that installs quickly in compatible Siemens panelboards. If you’re upgrading or replacing a breaker in a panelboard or load center, the QR22B125 delivers predictable performance, minimizes downtime, and aligns with existing Siemens equipment for straightforward maintenance and service continuity.\u003c\/p\u003e \u003cp\u003ePractical use scenarios:\n- Installing or upgrading large-diameter branch circuits in residential subpanels or commercial load centers.\n- Replacing aging breakers in Siemens panelboards where bolt-on mounting and a thermally magnetic protection profile are recommended.\n- Projects requiring a reliable, vibration-resistant connection in environments with equipment movement or vibrations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355163840674,"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_624cc4d5-72ed-4cb3-9a76-cd0c65e2cc7c.png?v=1764689892","url":"https:\/\/www.ampstate.com\/products\/siemens-qr22b125-125a-240v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}