Federal Pacific NB111045 – 45A 1 Pole Miniature Circuit Breaker Big Sale

A drop-in replacement for aging Federal Pacific NB panelboards, this 45-amp single-pole breaker provides reliable thermal-magnetic protection for commercial and industrial applications. Designed to match original factory specifications, it ensures a secure bolt-on connection without the need for aftermarket adapters or modifications. Rated at 10kAIC at 120VAC, the NB111045 handles standard overcurrent and short-circuit faults. It serves as an exact match for the UBIF045NB substitute.