Federal Pacific NB3100 - 100A, 3-Pole, Circuit Breaker

Meet the Federal Pacific NB3100 — a sturdy 100A, 3-pole circuit breaker engineered to guard three-phase electrical systems in demanding environments. Designed for panelboards, switchboards, and control panels, this unit provides reliable overcurrent protection where it matters most: industrial, commercial, and OEM settings.

• Three-pole configuration delivers balanced, synchronized interruption across all three phases, minimizing the risk of unbalanced loads and equipment damage.
• 100A current rating makes it ideal for main feeder protection or selective protection in moderate-load distributions, helping you control risk without over-engineering the system.
• Versatile installation footprint supports integration in panelboards, switchboards, and control panels used in motor control centers and distribution panels.
• Practical for OEM and retrofit work — a dependable choice when upgrading or replacing aging protection devices in existing equipment.

Why NB3100 stands out for your project

The NB3100 combines straightforward, robust design with dependable operation in real-world conditions. Built to endure the rigors of busy electrical rooms, it delivers essential protection to prevent overheating, nuisance trips, and downtime in 3-phase systems.

Use cases and scenarios

• New installations in manufacturing lines where three-phase control is standard and reliable protection is essential.
• Upgrades of existing panelboards or motor control centers that require an exact 100A, three-pole solution.
• OEM equipment where a compact, durable circuit interrupter safeguards drives, pumps, and fans.

Installation and safety notes

Ensure compatibility with your panel, follow proper mounting practices, and have a qualified electrician perform installation and testing. The NB3100 is intended for 100A, 3-pole service in suitable electrical environments and should be coordinated with the rest of your protection scheme to maintain proper coordination and selectivity.