Top Pick Square D QOB350VH1021 – 50A 3 Pole Miniature Circuit Breaker

Engineered for commercial power distribution, the Square D QOB350VH-1021 is a 50A miniature breaker featuring a factory-installed 120/240VAC shunt trip for remote shutdown capabilities. This bolt-on breaker installs into Square D NQ and NQOD panelboards, providing a secure, vibration-resistant connection. The box lugs accept 8-2 AWG wiring. Delivering a 22kAIC interrupt rating at 120/240VAC, it provides robust protection and includes a Visi-Trip indicator for rapid fault identification.