220~400V ，50Hz

< 4W

Overvoltage Fault threshold

265V±5%

255V±5%

165V±5%

Undervoltage Recovery threshold

175V±5%

Voltage loss

45V±5%

175V±5%

Modbus RTU Protocol 

Displaying energy data, electrical parameter in LCD screen

-35℃~+70℃

-40℃~+85℃

When temperature55，humidity 95％

Breaker romate output (dry connect)

Breaker fault signal output（dry connect）

adjustable

0-99

0-99s

Auto reset after trip

Leakage test on-line

Reaching the fault times, the coincidence not connect

The method of switch on

Manual control, automatic control, dry contact control, RS485 communication

1P+N,2 moudles；3P+N,4个moudles；

Electrical life10,000 times；Mechanical life 20,000 times

Manual, Auto

default 10s，adjustable

Working Voltage, Current

AC&DC:220V.2A

1NO、1NC

IEC60947-2 \ IEC60898-1；GB14048.2 \ GB10963.1

500V AC

3

6kV

30℃

Curve B(3~5)In，Curve C (5~10)In，Curve D (10~14)In

3

( Icn1 ) Icnl = Icn ( 10000A）

IP20；

Elctrical life: 10,000 times, Mechanical life:20,000 Times

Rated Current: 30mA\N50mA；100mA\300mA\500mA