Square-D / Schneider - Square D QOB120K 1-Pole 20 Amp 120/240 Volt Bolt-On Thermal Magnetic Miniature Circuit Breaker

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 QOB miniature breaker is rated as 20 A, 120/240 V, and 1 pole. This unit provides 10 kA breaking capacity and bolt on mounting. A full line of factory installed accessories is also available such as shunt trips, auxiliary switches and alarm switches. 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 This product contains a keylock.