{"product_id":"siemens-qj3b225ha02-circuit-breaker","title":"Siemens | QJ3B225HA02 | Circuit Breaker | 225A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens QJ3B225HA02 Circuit Breaker\u003c\/strong\u003e — a rugged, 225-amp, 3-pole protection device engineered for 240V three-phase systems. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker helps you keep critical power circuits safe and compliant.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 225A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003ePart number: QJ3B225HA02 (best reference for compatibility)\u003c\/li\u003e \u003cli\u003eFit and ratings: Confirm fit and ratings before ordering\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrecise 225A protection ideal for heavier-load circuits in commercial and industrial environments\u003c\/li\u003e \u003cli\u003eThree-pole design provides synchronized disconnection across all phases, enhancing safety during faults\u003c\/li\u003e \u003cli\u003eSpecifically configured for 240V three-phase distribution, aligning with common Siemens panel configurations\u003c\/li\u003e \u003cli\u003eEfficient option for maintenance, retrofit, or replacement when you need to match existing specs\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits of older Siemens panels that require QJ3B-series breakers\u003c\/li\u003e \u003cli\u003eMaintenance cycles where a like-for-like replacement minimizes downtime\u003c\/li\u003e \u003cli\u003eRepairs of 3-phase, 240V circuits in commercial facilities, manufacturing lines, or data centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e The part number is the best reference for compatibility. Always confirm fit and ratings before ordering to ensure seamless integration with your panel and load requirements.\u003c\/p\u003e \u003ch3\u003eSpecs at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 225A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003eModel: QJ3B225HA02\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427417804962,"sku":"QJ3B225HA02","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3b225ha02-circuit-breaker-225a-3-pole-240v-835.webp?v=1789720277","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b225ha02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}