Federal Pacific NEF631100 Circuit Breaker, 100A, 3-Pole, 600V

Engineered for heavy‑duty electrical service, the Federal Pacific NEF631100 is a 3‑pole circuit breaker designed to protect three‑phase systems up to 600 V. Built for industrial service, maintenance, and replacement projects, this unit pairs reliability with straightforward compatibility checks based on its exact part number.

Key specifications

• Manufacturer: Federal Pacific
• Part Number: NEF631100
• Product Type: Circuit Breaker
• Amperage: 100 A
• Poles: 3
• Voltage: 600 V

Why this 3‑pole design matters

• Three‑pole configuration provides coordinated protection for 3‑phase systems, helping reduce risk of unbalanced loads and electrical faults in industrial equipment.
• 600 V rating supports a wide range of industrial circuits and motor starter applications.
• 100 A capacity balances robust protection with practical current handling for common industrial feeders and equipment circuits.

Practical use cases

• Industrial electrical service upgrades and panel replacements where a Federal Pacific NEF631100 matches the existing part number.
• Maintenance projects needing a ready‑to‑install, compatible 3‑pole breaker for 3‑phase distribution.
• Replacement in service panels or switchgear that specify NEF631100 as the compatible part number.

How to verify compatibility

• Confirm the exact part number NEF631100 matches the required specification for your equipment and panel.
• Ensure your system is a 3‑phase setup compatible with a 3‑pole, 600 V circuit breaker of 100 A rating.
• Check application requirements and fitment to avoid mismatches in mounting or trip characteristics.

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