ddsy1540 prepayment double display power meter 10(40)A
1. Purchase energy power first,then can use it.Run out power and cut off.
2. 5digit nixie tube display remaining electric quantity and mechanical counters display
accumulative total power consumption.
3. Power-off alarm: When energy power less 10kw.h(can be set) Atomatic power off.
Resume power when insert user card.
4 Overload alarm: When the user average power exceeds the preset value for more than
one minute, the electricity meter will automatically stop power supply.
It will resume power supply automatically 5 minutes later.
5 Strongly encryption: By using the encryption card and dynamic encryption algorithm,
system data can not be decrypted.
6 Magnetic latching relay: Using high power magnetic latching relay,
low power consumption and high reliability.