Square D QOB345 – 45A 3 Pole Miniature Circuit Breaker Special Offer

Built for commercial systems, the QOB345 delivers 45 amps of thermal-magnetic protection. This three-pole breaker ensures consistent performance across 240V applications. Installation is straightforward with a secure bolt-on mounting style. It integrates seamlessly into Square D NQ and NQOD panelboards, accommodating 8-2 AWG wiring. A standout feature is the signature Visi-Trip indicator, providing immediate visual confirmation of a tripped circuit. It carries a standard 10kAIC rating.