Type NFJ 3 Pole 175 Amp 480 Volt Circuit Breaker Manufactured by FPE, Challenger and American

The Federal Pacific NFJ Series delivers robust protection in a 3-pole configuration rated for 175 amps at 480 volts. This thermal-magnetic breaker combines long-time and instantaneous trip functions to safeguard your electrical system against overloads and faults. Featuring a bolt-on design with load-side lug terminals, it integrates seamlessly into compatible panels. With an 18 kA interrupting capacity at 480V, this molded case breaker provides industrial-grade reliability. Note that no direct modern replacement exists for this legacy equipment, making it essential for maintaining existing Federal Pacific installations. The NFJ series spans 100-225 amp ratings to suit various applications.

Key Features

Brand:            Federal Pacific

Series:             NFJ

Amperage:     175A

Voltage:          600V

Poles:              3 Pole

Aic Rating:    18 kA @ 480V

Connection:   Bolt-On

Protection:     Thermal Magnetic

Functions:      Long-Time & Instantaneous

Terminals:     Load Side Lug

Dimensions:   4.1″ wide × 9.3″ tall × 3.8″ deep

The NFJ Circuit Breaker is available from 100 to 225 Amp.