This is a trip unit accessory for PowerPact H, J, L-Frame circuit breakers. This is an undervoltage trip unit accessory for PowerPact H, J, L-Frame circuit breakers. 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.