Merlin Gerin | CJ500N | Circuit Breaker | 500A | 3-Pole | 600V

Meet 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.

Key specifications

• Amperage: 500A
• Poles: 3-Pole
• Voltage: 600V
• Part number: CJ500N

Why this CJ500N is the smart choice for maintenance, retrofit, and replacement

Designed 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.

Ideal for

• Maintenance of existing 3‑pole, 600V distribution networks that require a 500A protection device
• Retrofit projects where equipment originally used CJ500N or compatible Merlin Gerin components
• Replacement in service entrances, motor control centers, and industrial panels needing reliable, well-documented protection

How it benefits your electrical system

Choosing 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.

Practical note: 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.