{"product_id":"siemens-mbkqj1225-circuit-breaker","title":"Siemens | MBKQJ1225 | Circuit Breaker | 225A | 2-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens MBKQJ1225 Circuit Breaker—a rugged, 2-pole protection device designed for 240V systems with a 225A rating. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this bolt-on breaker delivers a reliable, secure connection in demanding environments.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 225A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference\/Part:\u003c\/strong\u003e MBKQJ1225\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this Siemens breaker stands out\u003c\/h2\u003e\n\u003cp\u003eThis MBKQJ1225 is purpose-built for Siemens panels that require a precise 225A, 2-pole, 240V bolt-on solution. The bolt-on design ensures a tight, vibration-resistant connection essential for reliable protection of feeders and critical circuits. With a dedicated part number that aligns with compatibility requirements, it minimizes guesswork during replacements and retrofits. In installations where panel fit and current rating are non-negotiable, this breaker provides a dependable match that helps maintain system uptime.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: Replace a failed or aging 225A, 2-pole, 240V bolt-on breaker in compatible Siemens installations.\u003c\/li\u003e \u003cli\u003eRetrofit: Upgrade or refresh protection on panels that specify MBKQJ1225, ensuring continuity of current handling and protection schemes.\u003c\/li\u003e \u003cli\u003eReplacement: Serve as the exact-compatible substitute in Siemens power distribution setups where the MBKQJ1225 is the referenced part number.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFit, installation, and safety tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit using the MBKQJ1225 part number as the primary compatibility reference before ordering.\u003c\/li\u003e \u003cli\u003eVerify your panel is rated for 240V and designed to accept a 225A, 2-pole bolt-on device.\u003c\/li\u003e \u003cli\u003eUse the appropriate bolt-on hardware and follow your panel manufacturer's torque specifications to ensure a secure connection.\u003c\/li\u003e \u003cli\u003ePower down the system and follow standard lockout\/tagout procedures before installation or replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho benefits\u003c\/h2\u003e\n\u003cp\u003eElectrical contractors, facilities engineers, and maintenance teams working with Siemens panels that require exact-match breakers will find the MBKQJ1225 to be a precise, dependable solution. It’s ideal for ongoing service programs, panel refurbishments, and equipment fleets where consistent protection and straightforward compatibility are critical.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number MBKQJ1225 is the best reference to ensure seamless replacement and reliable operation in your existing Siemens installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425676906658,"sku":"MBKQJ1225","price":2589.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-mbkqj1225-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}