Energy Meter with Centralized Control System works on the input voltage of 415V, aux supply 220V, frequency: 40-60 Hz. The Energy Meter is a three phase, LCD based dual KWH meter and RS 485 pot for connecting to PC through LAN. The Energy Meter records energy data that can be feed to PC to generate monthly billing. The Energy Meter with Centralized Control System has external contactors for auto cut-off up to 60 Amp.