This is a trip unit accessory for PowerPact M, P, R-Frame circuit breakers. This shunt trip has a rated voltage of 12 VDC. This accessory complies with CSA standards. This trip unit requires a tightening torque of 1.4-1.4 Nm, with a cable cross section of 0.82-2.5 mm², and an AWG gauge of AWG 18 / AWG 14.