{"product_id":"siemens-qj23b225-circuit-breaker","title":"Siemens | QJ23B225 | Circuit Breaker | 225A | 3-Pole | 240V | 10kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens QJ23B225 Circuit Breaker\u003c\/strong\u003e — a robust 225A, 3-pole, 240V bolt-on overcurrent protector designed for demanding electrical panels. Built to deliver reliable interruption in critical power paths, it features a 10kA interrupting capacity and a secure Bolt-On mounting for fast, vibration-resistant installation. Ideal for maintenance, retrofit, and replacement projects where exact compatibility matters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAmperage: 225A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003eInterrupting capacity: 10kA\u003c\/li\u003e \u003cli\u003eMounting: Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith Siemens engineering, this breaker provides predictable trip characteristics that coordinate with other protective devices in a 3-phase network, reducing nuisance trips and enhancing overall system reliability. The bolt-on design simplifies installation in compatible panels, enabling secure connections with fewer field wiring complications.\u003c\/p\u003e \u003ch3\u003eWhat makes the QJ23B225 stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrecise 225A rating tailored for feeders and distribution circuits in commercial and industrial settings\u003c\/li\u003e \u003cli\u003e3-pole configuration delivers balanced protection across all three phases\u003c\/li\u003e \u003cli\u003eHigh 10kA interrupting capacity at 240V to safely clear faults and protect equipment\u003c\/li\u003e \u003cli\u003eBolt-On mounting for a sturdy, durable fit in compatible Siemens panels\u003c\/li\u003e \u003cli\u003eClear labeling and consistent trip curves that align with existing protection schemes\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFit, compatibility, and ordering tips\u003c\/h3\u003e\n\u003cp\u003eConfirm fit and ratings before ordering. The part number \u003cstrong\u003eQJ23B225\u003c\/strong\u003e is the most reliable reference for compatibility with Siemens panels and breaker frames. When replacing an existing unit, cross-check the panel’s labeling and service documentation to ensure the bolt-on mechanism and 3-pole configuration match your installation requirements.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit projects in aging Siemens panels where a like-for-like 225A, 3-pole, 240V breaker is required\u003c\/li\u003e \u003cli\u003eMaintenance or replacement for 3-phase feeders in manufacturing lines, data centers, or commercial facilities\u003c\/li\u003e \u003cli\u003eNew installations where bolt-on reliability and clear protection coordination are priorities\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation and maintenance guidance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways power down and follow proper lockout\/tagout procedures before work\u003c\/li\u003e \u003cli\u003eMount using the bolt-on method specified for compatible panels to ensure secure bus bar contact\u003c\/li\u003e \u003cli\u003eAdopt the panel manufacturer's torque and wiring guidelines to prevent loose connections\u003c\/li\u003e \u003cli\u003ePeriodically inspect for signs of wear, lug integrity, and proper labeling after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425633325218,"sku":"QJ23B225","price":1761.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj23b225-circuit-breaker-225a-3-pole-240v-10ka-bolt-675.webp?v=1789434165","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b225-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}