Square D™ QO™ and QOB Miniature Circuit Breakers, QO1520, come in plug-in mounted version and in a complete range of amperages and interrupting ranges to fit into various QO distribution panels. Equipped with tandem HACR rated circuit breaker. UL listed CSA certified This QO tandem mini circuit breaker has 1 one pole at 15A and 1 one pole at 20A for 120/240VAC. 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. 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 15 A, 20 A Voltage Rating 120/240 V AC Mounting Type Plug-in Number of Poles 1P Circuit Breaker Type Tandem Ratings HACR rated Electrical Connection Box lugs Complementary Interrupt Rating 10 kA 120/240 V AC Number of Panel Spaces 1 Wire Size AWG 14...AWG 8 copper or aluminum Tightening Torque 24.8 lbf.in (2.8 N.m) Height 3.2 in (82 mm) Width 0.7 in (19 mm) Depth 2.9 in (74 mm) Net weight 0.351 lb(US) (0.159 kg) Environment Certifications UL listed CSA Ambient Rating 104 °F (40 °C)