Must Have Square D QOB350 – 50A 3 Pole Miniature Circuit Breaker

Part of the highly reliable QO family, the Square D QOB350 provides 50A of standard thermal-magnetic protection. This 3-pole miniature circuit breaker handles commercial and industrial electrical distribution needs. Designed for a secure mechanical connection, this breaker bolts into Square D NQ and NQOD panelboards. The bolt-on mounting style prevents loosening over time. This model features the exclusive Visi-Trip indicator, providing a highly visible red flag when the breaker trips.