working temperature limit

-40℃～+80℃

humidity

Relative humidity ≤ 100%;

atmospheric pressure

63.0kPa~108.0kPa (altitude 4000m and below)

Voltage

Three phase four wire, 1.0 level; 3×220/380V，3×1(10)A；

Frequency range

50Hz, allowable deviation-6％～+2％

External dimensions

Width x Height x Thickness=180mm x 290mm x 95mm

Meter reading, cascade interface

3-channel RS485 interface (lightning protection), cascade port can also be used for meter reading

Local settings interface

1 photoelectric interface, 1 RS232 interface

pulse output

2 channels, with 1 active and 1 reactive

Clock output

1 Road

Remote signaling input

5 channels, passive input

Door contact input circuit

1 channel, passive input

Communication sampling circuit

1 group, three-phase four wire or three-phase three wire

AC sampling

Active power level 1.0, reactive power level 2.0