{"product_id":"siemens-hqj3b225ha02-circuit-breaker","title":"Siemens | HQJ3B225HA02 | Circuit Breaker | 225A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens HQJ3B225HA02 Circuit Breaker\u003c\/strong\u003e offers reliable overcurrent protection for demanding electrical installations. With a 225 A rating, a 3-pole configuration, and a 240 V operating voltage, this bolt-on breaker is engineered for straightforward installation in compatible Siemens panels during maintenance, retrofit, or replacement projects. Designed to integrate seamlessly with the Siemens protection ecosystem, it helps keep your system coordinated and protected.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 225 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HQJ3B225HA02\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility and fit are crucial for safe, effective protection. The \u003cstrong\u003eHQJ3B225HA02\u003c\/strong\u003e part number is the most reliable reference to ensure you’re selecting the correct breaker for your panel. Always \u003cstrong\u003econfirm fit and ratings before ordering\u003c\/strong\u003e to avoid mismatches with bus structure, enclosure space, or trip characteristics.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect Siemens compatibility:\u003c\/strong\u003e Built to match Siemens panels and protective schemes, helping maintain coordinated protection across the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFast, secure installation:\u003c\/strong\u003e The bolt-on mounting design streamlines retrofits and replacements, reducing service time and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-current readiness:\u003c\/strong\u003e 225 A rating accommodates substantial load demands while preserving reliability and predictability in trip response.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear reference for procurement:\u003c\/strong\u003e The HQJ3B225HA02 part number provides a precise match for ordering and documentation, minimizing guesswork in maintenance catalogs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance on three-phase Siemens electrical systems where a like-for-like replacement is required.\u003c\/li\u003e \u003cli\u003eRetrofits and service upgrades to increase current handling while preserving panel architecture.\u003c\/li\u003e \u003cli\u003eReplacement for aging or non-compatible breakers in Siemens environments, ensuring continued protection alignment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and operation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore purchasing, verify that your panel is a compatible host for bolt-on 3-pole 240 V protection devices and that 225 A is appropriate for the protected circuit.\u003c\/li\u003e \u003cli\u003eKeep documentation handy: the HQJ3B225HA02 reference simplifies ordering, inventory control, and maintenance records.\u003c\/li\u003e \u003cli\u003eHandle with care during replacement to avoid damage to bus connections and to preserve proper torque on mounting bolts.\u003c\/li\u003e \u003cli\u003eTest the protection scheme after installation to confirm proper tripping behavior and coordination with upstream and downstream devices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor projects requiring precise compatibility, long-term reliability, and seamless integration within a Siemens protection framework, the HQJ3B225HA02 225 A 3-Pole 240 V bolt-on circuit breaker is a dependable choice that supports robust, continuous operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427068465314,"sku":"HQJ3B225HA02","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj3b225ha02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}