Voltage level:AC 35kv, 10kv, 6kv, 3kv High accuracy, light weight, easy to install ... network. It suitable for 50Hz and 60Hz three phase AC 35kv, 10kv, 6kv, 3kv power system. High accuracy, light weight, easy ... -2006 5. Outline and Installation Size (mm) JLS Series Oil-immersed High Voltage Metering Box