{"product_id":"merlin-gerin-cj500n-circuit-breaker","title":"Merlin Gerin | CJ500N | Circuit Breaker | 500A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Merlin Gerin CJ500N Circuit Breaker — a robust, genuine replacement designed for reliable protection in industrial panels. With a 500A rating, 3-pole construction, and a 600V operating capacity, this CJ500N unit is built to align perfectly with legacy Merlin Gerin equipment and other compatible systems.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 500A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e CJ500N\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this CJ500N is the smart choice for maintenance, retrofit, and replacement\u003c\/h3\u003e\n\u003cp\u003eDesigned for seamless compatibility, the CJ500N serves as a direct, dependable upgrade or stand-in for aging or failed breakers in Merlin Gerin and similar panels. Its three-pole configuration provides balanced protection across three-phase systems, helping to safeguard motors, transformers, and distribution circuits from overloads and faults. Because the part number CJ500N is your best reference for compatibility, this breaker streamlines ordering and inventory management for service teams and facilities managers alike.\u003c\/p\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance of existing 3‑pole, 600V distribution networks that require a 500A protection device\u003c\/li\u003e \u003cli\u003eRetrofit projects where equipment originally used CJ500N or compatible Merlin Gerin components\u003c\/li\u003e \u003cli\u003eReplacement in service entrances, motor control centers, and industrial panels needing reliable, well-documented protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it benefits your electrical system\u003c\/h3\u003e\n\u003cp\u003eChoosing the CJ500N ensures you’re matching the original design intent and electrical characteristics of your installation. The 3-pole configuration provides synchronized tripping across all phases, helping prevent unbalanced loads and reducing the risk of equipment damage during faults. Its 600V rating supports a broad range of industrial applications, from manufacturing lines to facility power distribution, delivering consistent protection where it matters most.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical note\u003c\/strong\u003e: Before ordering, verify that the fit and ratings align with your panel or distribution equipment. The CJ500N part number is the most reliable reference for compatibility, helping you avoid mismatches and unnecessary downtime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Merlin Gerin","offers":[{"title":"Default Title","offer_id":46427184660642,"sku":"CJ500N","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\/merlin-gerin-cj500n-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}