Miniature Circuit Breaker Amps 20 A AC Voltage Rating 120/240V AC Circuit Breaker Type Arc Fault Circuit Interrupter Number of Poles 1 DC Voltage Rating Not Rated Circuit Breaker Actuator Paddle Circuit Breaker Mounting Style Bolt On Compatible Panelboard/Load Center Series QO Phase Single Series QOB Max AIR Rating 22kA at 120/240V AC For Use With QO Load Centers and NQ Panelboards Terminal Connection Pressure Plate Frame Size 100A/QO Length 4.75 in Width 0.75 in Depth 2.91 in