This protection accessory, is used for MasterPacT NW as a universal circuit breaker restraint interface. This restraint interface module, has a ratined input power of 10 watts, and an input voltage of 120 VAC. This module accepts AWG 24 / AWG 18 wire gauge. This device is rail mounted and is rail type NT13 and N10 with a class 8501. This device complys to UL and CSA standards.