{"product_id":"siemens-qj23b225ha02-circuit-breaker","title":"Siemens | QJ23B225HA02 | Circuit Breaker | 225A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003eSiemens QJ23B225HA02 Circuit Breaker — a robust, bolt-on solution engineered for 240V three‑phase systems that demand reliable protection and straightforward field service. This 225A, 3-pole unit is purpose-built for maintenance, retrofit, and replacement projects where exact compatibility matters, making it the practical choice for commercial and industrial panels that rely on Siemens engineering. \u003ch3\u003eKey specifications and what they mean for you\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 225A — designed to interrupt and protect larger branch circuits common in commercial and industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole — suitable for 3‑phase circuits, delivering coordinated protection across all three phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V — aligned with typical 3‑phase\/SY voltage environments found in many facilities.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On — facilitates solid, serviceable installation with compatible panels, allowing for quick field replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e QJ23B225HA02 — using the exact part number is your best guide for compatibility with your Siemens panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003eWhat makes this Siemens breaker compelling is its combination of a high current rating, three-pole configuration, and a bolt-on mounting style that supports efficient retrofits and replacements. If your panel calls for a 225A, 3‑pole device in a 240V system, this unit delivers the protection class and fit you need without requiring extensive panel rewiring or adapters.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance replacements in Siemens-compatible electrical panels where the QJ series is specified\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading older panels to a 225A, 3‑pole configuration for expanded capacity\u003c\/li\u003e \u003cli\u003eSpare part for service technicians who manage commercial\/industrial distribution panels that operate at 240V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations for your purchase\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your current panel specifications. The part number, QJ23B225HA02, is the most reliable reference to ensure compatibility with your Siemens equipment. If you’re unsure, cross-reference panel model and bus bar configuration to avoid downtime from misfit hardware.\u003c\/p\u003e \u003ch3\u003eInstallation and performance tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrepare for a secure bolt-on installation by verifying mounting hardware compatibility with your panel enclosure.\u003c\/li\u003e \u003cli\u003eVerify that the panel and bus are rated for 225A in a 3‑pole 240V configuration to maintain safe, code-compliant operation.\u003c\/li\u003e \u003cli\u003eKeep a matching spare on hand for planned maintenance and rapid replacement to minimize system downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for reliability in demanding electrical environments, the Siemens QJ23B225HA02 circuit breaker combines precise compatibility with durable performance. Use the exact part number as your compatibility guide, and choose this bolt-on 225A, 3-pole breaker when your 240V system needs dependable, straightforward protection that technicians trust.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427472265378,"sku":"QJ23B225HA02","price":4468.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b225ha02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}