Detailed information: Main usages: Used for enterprises, residential areas, with current 3X220/380V.It is capable of prepaid and control overload. Solve default energy charge, prevent pilferage effectively. Control and debug the electric network ru... - Update: 2007-11-06

Main usage: Used to measure active and reactive electric power that requires both timesharing and prepayment. It's an effective technical method to solve the problem payment default in electric power consumption. Adopted and used by tens of electric... - Update: 2007-11-06