Miniature Circuit Breaker Amps 20 A AC Voltage Rating 120/240V AC Circuit Breaker Type Standard Number of Poles 3 DC Voltage Rating 48V DC Circuit Breaker Actuator Paddle Circuit Breaker Mounting Style Bolt On Compatible Panelboard/Load Center Series QO Phase Three Series QOB Max AIR Rating 10kA at 120/240V AC For Use With Square D NQOD Panelboards Terminal Connection Pressure Plate Frame Size 100A/QO Length 3 in Width 2.25 in Depth 2.91 in Min Operating Temp 104 Degrees F