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 QO miniature breaker is rated as 2 A, 12/24 V, and 2 poles. This unit provides 1 kA breaking capacity and plug-on mounting. A full line of factory installed accessories is also available such auxiliary switches, alarm switches, and shunt trips. This unit is compatible with plug-on neutral system. QO breakers use a compact 3/4 inch width design for small system footprint. 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 Mounting Type Plug-in Number of Poles 2P 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 Number of Panel Spaces 2 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 1.5 in (38 mm) Depth 2.9 in (74 mm) Net weight 0.500 lb(US) (0.227 kg) Environment Certifications UL listed CSA Ambient Rating 104 °F (40 °C)