Square D QOU320 Mini Breakers 20A 3-Pole 240VAC

Schneider Electric QOU320 QOU miniature circuit breakers and switches are available for surface-mounted, flush-mounted, or DIN rail mounted applications in one-pole, two-pole, and three-pole constructions. Square D QOU miniature circuit breakers are used for overcurrent protection and switching on both ac and dc electrical systems. The Square D Extreme Duty QOU circuit breaker was developed specifically with the unique challenges of harsh environments in mind. The circuit breaker has specially constructed internal components that make it resistant to the damaging effects of high humidity and salt, which are common in commercial HVAC and wastewater treatment applications. The circuit breaker has passed a 500-hour salt spray test.