QOU miniature molded case circuit breakers are intended for use in residential and commercial applications. These circuit breakers are unit mount thermal magnetic circuit breakers. QOU breakers will automatically open a circuit under overload or short circuit conditions. They have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped. You can flush mount, surface mount or DIN rail mount these circuit breakers. This 3 pole QOU miniature circuit breaker is rated as 20 A at 240 VAC. This unit provides 22 kA breaking capacity. This breaker has lugs on both cable in and cable out connectors. They are tested and listed according to UL Standard 489 and CSA Standard C22.2 No. 5 02 for circuit breakers. QOU circuit breakers are UL Listed under UL File E84967 DIVQ and are CSA Certified. These QOU breakers are packed in bulk.