QO and QOB one, two, and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on AC systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which uses a LED indication that the circuit breaker has tripped and interrupted the circuit. These breakers provide the abilty for diagnostic assistance of the type of fault that occurred at the touch of a button which reduces troubleshooting time saving time and money. This 1 pole QO circuit breaker is rated at 15A at 120VAC. This unit provides 10kA breaking capacity and plug in mounting. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This product provides combination arc fault and ground fault protection with plug on neutral connection. The pressure plate connectors will accept one 14 AWG to 8 AWG copper or 12 AWG to 8 AWG aluminum wire. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.