Schneider Electric NJNF36400E20 Circuit Breaker, 400A, 3-Pole, 600V

Secure, reliable three-phase protection for demanding industrial environments with the Schneider Electric NJNF36400E20 circuit breaker. Rated for 400 A across three poles and 600 V, this unit is built for industrial service, maintenance, and replacement projects where dependable overcurrent protection matters.

• Part Number: NJNF36400E20
• Amperage: 400 A
• Poles: 3
• Voltage: 600 V
• Application: industrial electrical service, maintenance, and replacement projects

Why it matters: the 3-pole design ensures simultaneous interruption of all three phases, delivering safer shutdowns and better protection for balanced 3-phase systems. Built by Schneider Electric, it’s designed to integrate with existing infrastructure and provide consistent performance in challenging industrial environments.

• Ideal for main service feeders and motor control circuits in manufacturing, processing, and heavy equipment settings
• Supports maintenance activities and component upgrades without compromising system safety
• Part of Schneider Electric’s robust line, offering predictable operation when replacing worn or outdated breakers

Compatibility and setup notes: verify fit by part number NJNF36400E20 and by your specific application requirements. If you’re unsure about fit or compatibility, send a message and we’ll help confirm alignment with your panel and system needs.

Who should consider this breaker: electrical professionals, maintenance technicians, and facility engineers responsible for reliable power distribution in industrial plants. It’s a practical choice for teams aiming to minimize downtime and maintain safety across 3-phase electrical networks.