Square-D / Schneider - Square D QOU14100CAB 4-Pole Circuit Breaker Jumper Bar Cover

The perfect choice for OEMs thanks to high performances and multiple mounting options : 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. - : Provide a means to manually open a circuit.; Are fully tested, UL Listed, and CSA certified for reverse connection without restrictive line/load markings.; Have a Visi-Trip® trip indicator.; Can be flush-, surface-, or DIN rail-mounted.; Feature common tripping of all poles.; Operate in any position.; Has lugs at both ends (cable-in/cable-out construction); Automatically open a circuit under overload or short circuit conditions.