Function

Description&Value

Measurement

Three-phase AC kWh, kVarh, Active Power, Reactive Power, Forward&Reverse Power, Current, Voltage, Zero Sequence Voltage, Zero
sequence Current, Voltage-phase Angle, Voltage&Current Unbalance, Power Factor,Harmonic, Frequency

Display

LCD display

Communication
(Optional)

RS485,Modbus-RTU protocol;(1 start bit,8 data bit,1 stop bit,no parity)
Baud Rate 1200~38400 bps etc.

Alarm Output
(Optional)

1 channel passive relay,contact capacity 3A/30VDC,3A/250VAC,
Used for high,low,unbalance alarm etc.

Analog Output
(Optional)

1~5V DC or 4~20mA DC

DI/DO Switching
(Optional)

DI (Digital input): 2-channel or 4-channel dry contact digital input with built in power supply
DO (Digital output): 2-channel digital output with NO relay contact. Capacity: 3A/30V DC,3A/250V AC

Parameter

Description&Value

Input

Rated Voltage

AC Voltage Input: 400V AC L-L (via direct connetion); 100V AC L-L (via -/100V AC PTs)

Rated Current

AC Current Input: 5A AC or 1A AC (via -/5A AC or -/1A AC CTs)

Overload

Current&Voltage input overload:1.2 times rated value(continuous); 10 times rated value /1 second

Frequency

45~65Hz

Power Consumption

Power consumption of each current&voltage input circuit is less than 0.5VA

Measuring Accuracy

Voltage

0.2%

Current

0.2%

Active Power

0.5%

Reactive Power

1.0%

kWh

0.5%

kVarh

1.0%

Frequency

±0.05Hz

Harmonic

±1%

Power Supply

Voltage Range

85-265V AC/DC; 24V or 48V DC (±20%)

Power Consumption

≤10VA

Insulation resistance

≥ 100MΩ

Power frequency withstand voltage

Between Power supply//Switching Output// Current Input//voltage Input and Transmitting// Communication //Pulse Output//switching
input AC 2 kV 1min;
Between Power supply、switching output、Current Input、voltage Input AC 2 kV 1min;
Between Transmitting、Communication、Pulse Output、switching input AC 1kV 1 min;

Condition

Description&Value

Temperature

Operation: -25℃～+65℃; Storage: -40°C ~+80°C

Humidity

≤95%RH,no condensation,without corrosive gas

Altitude

≤ 2500m