{"product_id":"siemens-qj23b225-225a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens QJ23B225 - 225 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ23B225, a 225 A, 240 V, 3-pole bolt-on molded case circuit breaker designed to protect your panelboards and loadcenters from overcurrent and short-circuit events. Built for reliability in real-world electrical systems, this device delivers precise, repeatable protection when it matters most.\u003c\/p\u003e \u003ch3\u003eSecure, reliable protection you can count on\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant connection to the bus, helping maintain consistent electrical performance in panels subject to vibration or movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, predictable response to both gradual overloads and sudden faults, reducing nuisance trips while safeguarding downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to pair smoothly with matching Siemens loadcenters and panelboards for seamless integration in existing systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 240 V operation\u003c\/strong\u003e makes it ideal for three-phase distribution networks found in residential, commercial, and light industrial applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhere this breaker fits into your electrical system\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtect large branch circuits in panelboards and load centers that require a 225 A rating.\u003c\/li\u003e \u003cli\u003eUse in new installations or as a replacement component within Siemens-based electrical architectures to maintain system consistency and reliability.\u003c\/li\u003e \u003cli\u003eIdeal for environments where panel vibration is a factor, thanks to its secure bolt-on mounting and robust bus connection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QJ23B225\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 225 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\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 \u003ch3\u003eWhy choose the Siemens QJ23B225 over other options\u003c\/h3\u003e\n\u003cp\u003eUnlike generic breakers, the QJ23B225 is purpose-built to integrate with Siemens panelboards and loadcenters, ensuring consistent trip behavior and compatibility across your distribution system. The combination of a bolt-on attachment and a thermal-magnetic trip mechanism means you get durable mounting with reliable, fast protection for critical 3-phase loads in commercial and light industrial settings, while still being suitable for residential panel configurations where Siemens components are standard.\u003c\/p\u003e \u003cp\u003ePractical tips for optimal performance: verify panel compatibility with Siemens OEM equipment, follow standard installation practices for bolt-on breakers, and evaluate your three-phase load requirements to ensure the 225 A rating aligns with your circuit design. This approach helps you achieve precise protection, streamlined maintenance, and longer-term reliability in your electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355161874594,"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_5d348afc-c469-4ad5-b801-6482bc995ca3.png?v=1764689850","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b225-225a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}