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Signal Input

Line

Three phase 3 line, 3 phase, 4 line

Frequency

45～65Hz

Voltage

AC 57.7/100V, 230/380V

Over load：1.2 times the rated value(continuous);

1.4 times rated voltage(10s), 2, times the rated value 1s

Power consumption:＜ 0.5VA (each line)

Current

AC 1A, 5A

Overload: 1.2 times the rated value (continuous);

20 times the rated value /10 second.

Consumption: ＜ 0.25VA (each line)

Accuracy

V、C、P

0.2

Active

0.5s

Reactive

2

Zero Current (residue)

20mA~1A(±1%); 1A~2A(±2.5%)

Harmonic Sampling

128point/cycle, FFT method,breakdown judging

Power Supply

Range: AC/DC 85V～265V

Consumption: main power consumption≤5VA.

Relay Output

Touch point type: normally open (level output jog mode)

Touch point capacity: AC 250V/3A  DC 30V/3A.

Power Pulse Output

Output mode: optocoupler pulse of open collector

Switch Alue Output

Support dry contact input, DC12V power supply built-in;

Resolution≤5mS

Communication

RS485 interface Modbus-RTU protocol or LT645 stipulation；

Lora, zigbee (wireless communication optional)

Security

Working Pressure

Among APS, voltage signal, current signal AC 2kV/1min;

Working frequency among switch value, pulse output, communication, AC 1kV/1min.

Insulation resistance

Input, output terminal to the chassis>100MΩ.

Electromagnetic

Compatibility

Reach IEC 61000 standard (level 4)

Level of Protection

IP51 (front), IP30 (inside)(except for terminal)

Working Life Designed

10years

Working

Environment

Meter Working Temperature: -25℃～+80℃;

LCD Working Temperature: -20℃～+80℃;

Storage Temperature: -40℃～+85℃;

Relative Humidity: ≤99% no condensation;

Elevation: ≤2500m.