Federal Pacific NJL631400R Circuit Breaker, 400A, 3-Pole

The Federal Pacific NJL631400R circuit breaker is built for demanding industrial electrical service, maintenance, and replacement projects, delivering reliable overcurrent protection at a robust 400 A across a 3-pole configuration.

Designed for three-phase systems, this 3-pole design provides coordinated protection for feeders and equipment in industrial environments. Use it in service upgrades, panel replacements, or other replacement scenarios where dependable interruption of fault currents is essential for safety and uptime.

Key specifications

• Manufacturer: Federal Pacific
• Part Number: NJL631400R
• Product Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3

Note: Verify fit by part number and application requirements.

Need help matching a part number or confirming compatibility? Message us and we'll help.

Ideal use scenarios

• Industrial service entrances and major equipment feeders requiring 400 A protection
• Maintenance or replacement projects where a 3-pole breaker is needed for three-phase systems
• Panel upgrades or retrofits in manufacturing, processing, or large-scale facilities

Why this matters

Choosing the NJL631400R ensures you’re pairing the right part number with your application, reducing downtime and rework. Its 3-pole configuration aligns with typical three-phase installations, delivering immediate fault isolation to protect wiring, motors, and connected machinery when overloads occur. Always confirm compatibility by matching the part number to your equipment and project requirements to ensure seamless integration and reliable performance.