Federal Pacific NJL431400 Circuit Breaker, 400A, 3-Pole, 480V

Designed for rugged industrial electrical service, the Federal Pacific NJL431400 is a 400 A, 3-pole circuit breaker rated for 480 V. Built for reliability in maintenance, replacement, and new installation projects, this unit delivers robust overcurrent protection for three-phase power distribution in demanding environments.

• Exact fit verified by part number. Confirm compatibility by NJL431400 and your application requirements. If you’re unsure, message us for expert help matching the part number.
• Industrial-grade 3-pole design for 480 V systems. Ideal for protecting three-phase feeders and large equipment in manufacturing facilities, processing lines, and heavy-duty applications.
• High-capacity protection. 400 A capacity supports substantial industrial circuits while delivering reliable trip performance when faults occur.
• Purpose-built for service, maintenance, and replacement projects. Seamless integration with existing Federal Pacific panels and suitable distribution setups.
• Clear compatibility guidance. Use the part number NJL431400 to verify fit and application requirements; our team can assist with confirmation and next steps.

Use cases include feeding large three-phase motors, pumps, conveyors, and other heavy equipment where a 480 V three-phase supply is standard. This breaker is well-suited for panel outfits and industrial distribution boards that accept Federal Pacific components and require a robust 3-pole device for reliable protection.

Installation notes and considerations: ensure only qualified personnel perform installation, verify that the panel and bus configuration are compatible with a 3-pole, 480 V breaker, and de-energize systems before replacement. If you need help confirming compatibility or have a specific panel model, reach out—we’re ready to assist with part-number matching and setup guidance.

Specifications

• Amperage: 400 A
• Poles: 3
• Voltage: 480 V
• Manufacturer: Federal Pacific
• Part Number: NJL431400