The W23-X1A1G-20 is a 20A toggle/push/pull actuator Thermal Circuit Breaker, calibration will continuously carry 100% of rating, may trip between 101% and 134% of rating at 25°C, must trip at 135% in one hour. Ten times rated current is resettable overload capacity, over 1500V RMS dielectric strength, endurance cycling is more than 6000 cycles at 100% of rating or 10000 mechanical cycles. Threaded bushing 3/8-inch diameter panel mounting, 250VAC/50VDC voltage rating. Screw terminals situated 90° to each other with #8-32 screws and washers installed and also two hex nuts or lock washer installed.