QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc 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 provides a visual indication that the circuit breaker has tripped and interrupted the circuit. This 3 pole QO circuit breaker is rated at 20A at 120/240VAC. This unit provides 10kA breaking capacity and bolt on mounting. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555 Specifications Main Product Miniature circuit-breaker Range QO Current Rating 20 A Voltage Rating 120/240 V AC 120 V AC 240 V AC Mounting Type Bolt-on Number of Poles 3P Circuit Breaker Type Standard Ratings HACR rated Electrical Connection Pressure plate Complementary Interrupt Rating 10 kA 120/240 V AC 10 kA 120 V AC 10 kA 240 V AC Number of Panel Spaces 3 Wire Size AWG 14...AWG 8 copper or aluminum Tightening Torque 35.4 lbf.in (4 N.m) Height 3.0 in (76 mm) Width 2.2 in (57 mm) Depth 2.9 in (74 mm) Net weight 0.800 lb(US) (0.363 kg) Environment Certifications UL listed CSA Ambient Rating 104 °F (40 °C)