The rated current of the  100GA is 100 Amps. The working temperature of the unit is between -10 degrees Celsius up to 50 degrees Celsius. The unit can be safely stored at -20 degrees Celsius up to a temperature of 70 degrees Celsius. The automatic transfer switch has a maximum current of 1600 Amps and a maximum voltage of 220 or 389 Volt. The transfer time is 0.45 seconds. The unit is an integrated type with self input and self recovery function. The units are ISO9001:2008 and have passed the EMC IEC6100-4 electromagnetic compatibility test. It is a 3 phase automatic transfer switch.