Federal Pacific NB232040 – 40A 3 Pole Miniature Circuit Breaker Top Pick

Providing essential overcurrent protection, the Federal Pacific NB232040 is a 40A, 3-pole miniature circuit breaker. It utilizes fixed thermal and magnetic elements for commercial circuits. This legacy breaker mounts securely into Federal Pacific NB and NBLP panelboards via a bolt-on connection. It offers an exact physical fit to replace aging components and substitutes the UBIF340NB. Rated for 10 kAIC at 240VAC, it features a common trip mechanism to disconnect all poles simultaneously.