{"product_id":"siemens-qj3b225h-circuit-breaker","title":"Siemens | QJ3B225H | Circuit Breaker | 225A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ3B225H Circuit Breaker—a purpose-built protection device for demanding 3‑phase 240V systems. With a 225A rating and a 3‑pole configuration, this unit is specifically suited for maintenance, retrofit, and replacement projects where exact specifications matter and reliable protection is non‑negotiable.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\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 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eModel reference:\u003c\/strong\u003e QJ3B225H\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this Siemens circuit breaker?\u003c\/h3\u003e\n\u003cp\u003eUsing the authentic Siemens QJ3B225H ensures compatibility with Siemens panels and enclosures designed for the QJ3B series. This isn’t just a replacement part—it's a guarantee of coordinated protection for three‑phase loads, with the exact electrical specifications needed for safe, reliable operation in industrial and commercial environments. The part number QJ3B225H serves as the most reliable reference when confirming fit and ratings, helping you avoid compatibility gaps during maintenance or retrofit work.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing worn or failed breakers in 3‑phase 240V distribution panels\u003c\/li\u003e \u003cli\u003eRelay-based or legacy panel retrofits where Siemens QJ3B family parts are required\u003c\/li\u003e \u003cli\u003eMaintenance tasks in industrial facilities, manufacturing floors, and commercial power centers that rely on precise 225A, 3‑pole protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure a perfect fit\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, compare your panel’s labeling and the equipment catalog to confirm that 3‑pole, 240V, 225A specifications match the load requirements. The part number QJ3B225H is the best reference for compatibility, so use it as the primary checkout criterion to avoid mismatches in ratings or form factor.\u003c\/p\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down the system and lockout\/tagout the circuit before servicing.\u003c\/li\u003e \u003cli\u003eVerify that the panel accepts the QJ3B series and that the mounting and terminal configurations align with your enclosure.\u003c\/li\u003e \u003cli\u003eFollow local electrical codes and the panel’s labeling to ensure proper wiring and protection coordination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427417903266,"sku":"QJ3B225H","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3b225h-circuit-breaker-225a-3-pole-240v-445.webp?v=1789720300","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b225h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}