Measurement

Parameters

Single-phase current

YES

Single-phase voltage

YES

Single-phase (active power, reactive power, power factor)

YES

Three-phase (active energy, reactive energy)

YES

Input

Grid

Single-phase,

Frequency

45~65Hz

Voltage

Rated voltage: AC 100V, 400V

Overload: 1.2 times the rated voltage(continuous); 2 times the rated voltage lasting for 1 second

Power consumption: less then 0.2VA

Current

Rated current:  10A,20A,40A,80A,120A,200A etc. (for details see product specifications)

Overload: 1.2 times the rated current(continuous);10 times the rated current lasting for 1 second

Power consumption: less then 0.2VA

Output

Communication

RS485 interface, Modbus-RTU

Display

LCD

Measurement precision

Voltage: 0.2 level, current, power Active energy: 0.5 level,0.01Hz frequency, Reactive energy: 1 level

Power supply

AC85~265V or DC100~350V; power consumption ≤10VA

Safety

Power frequency withstand voltage

AC2kV 1 min between power supply // current input//voltage input and communication

AC2kV 1 min between each pair of combinations among power supply, urrent input and voltage input.

Insulating resistor

Input,output terminal to housing >100MΩ

Environment

Working temperature: -10℃~+55℃;storage temperature: -20℃~+70℃ 

Relative humidity:5%~95%,non-condensing; altitude:≤2500m