{"product_id":"siemens-hqr23b225-225a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens HQR23B225 - 225 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HQR23B225 is a 225A, 240V, 3-pole bolt-on molded case circuit breaker designed to shield your panelboard and load center from overcurrent and short-circuit events. Built for reliable branch circuit protection in commercial, residential, and light industrial electrical systems, this breaker brings robust protection where it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bond to the bus connection, helping maintain consistent electrical contact in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection by quickly responding to both overloads and short circuits, reducing nuisance trips and safeguarding downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e is ideal for 3-phase 240V systems, making it a solid choice for commercial panels and light industrial distributions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible compatibility\u003c\/strong\u003e ensures reliable integration with matching Siemens panelboards and other OEM load centers, simplifying replacement and upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suited for residential, commercial, and light industrial settings where dependable branch protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: HQR23B225\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 225A\u003c\/li\u003e \u003cli\u003eVoltage rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of poles: 3\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 \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eWhen you’re configuring or upgrading a panel, reliability is non-negotiable. The HQR23B225 combines durable, bolt-on mounting with a precise thermal-magnetic trip mechanism, delivering dependable protection at both routine and fault-level conditions. Its 3-pole design makes it a practical choice for 3-phase equipment and distribution feeders, helping you maintain safe voltages and protect critical loads without compromising on space or performance.\u003c\/p\u003e \u003cp\u003ePractical use scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading a commercial load center to support higher amperage feeders while keeping a compact footprint in the panel interior.\u003c\/li\u003e \u003cli\u003eReplacing aging or worn breakers in Siemens panelboards to maintain alignment with OEM specifications and code compliance.\u003c\/li\u003e \u003cli\u003eProviding robust protection for 3-phase machinery and HVAC systems in light industrial installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith Siemens HQR23B225 installed, you gain a clear, reliable protection path for your branches—minimizing downtime, protecting wiring, and supporting safe, continuous operation of your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349814136994,"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_375d17a7-037f-4e0c-a31f-fb8323f1c4ba.png?v=1764157593","url":"https:\/\/www.ampstate.com\/products\/siemens-hqr23b225-225a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}