Circuit Breaker, B Series, 40A, 1 Pole, 277V AC, 1.5kA at 120/240V AC, Medium Curve, Carling Technologies, Mfr#: BA1-B0-34-640-521-E

Panel Mount Circuit Breaker, Amps 40 A, AC Voltage Rating 277V AC, Terminal Connection #10-32 Screw, DC Voltage Rating 80V DC, Magnetic, Number of Poles 1, Circuit Breaker Actuator Toggle, Max. AIR Rating 1.5kA at 120/240V AC, Curve Type Medium, Phase 1, Mounting Type Threaded Insert, Actuator Color Black, Actuator Legend I/O, On/Off, Panel Cutout Size 2.187 in x 0.770 in, Max. Panel Thickness 0.1 in, Mounting Hole Thread Size #6-32, Max. Wire Size Not Specified, Length 2.0 in, Width 0.75 in