... 2.Rated Capacity:8.0/10.0KVA 3.Rated Current :4.05/5.1/7.0/8.7/12 ... explosion-proof switch. Technical Features1.With WZB-7microcomputer monitoring protective device, anti-interferencestrong, protection sensitive and reliable; gauging precision ... Voltage(V)1140,660,380/1331140,660,380/133Rated Current(A)4.05,7.0,12,5/34.75 ... ical Data8585 Mining Ex-proof lighting signal comprehensive protective device