Functions

Network

  • TN, TT, IT networks

Communication

  • RS485 Interface

  • Modbus-RTU Protocol

Accuracy

  • Active energy: 0.5S

  • Voltage: 0.2%

  • Current: 0.2%

Installation and Connection

Measured and displayed parameters

Technical characteristics

Accuracy

  • V/A: 0.2%

  • P / Q / S / PF: 0.5%

  • F: +/- 0.01Hz

  • +/- kWh: Class 0.5S

  • +/- kVarh: Class 2

Input voltage

  • Nominal value: 3×230/400V

  • Overvoltage: Continuous : 1.2Vn. Instant: 2Vn/10s

  • Load: <= 0.1VA (per phase)

  • Impedance: >= 1.7MΩ

  • Frequency: 45Hz~65Hz

Input current

  • Nominal value: 1A ou 5A AC

  • Overload: Continuous: 1.2In. Instant : 2In/5s

  • Load: <= 0.2VA (per phase)

  • Impedance: < 20mΩ

Residual current input

  • Residual current input: 1A/1mA AC (External differential toroidal)

Temperature measurement

  • PT100

Power supply

  • Voltage range: 80~270V AC / 50~60Hz

  • Consumption: <= 5VA

Communication port

  • RS485, Modbus-RTU, 2 cables, up to 9600bps

Energy pulse output

  • 1 optocoupler output,

  • pulse width: 80ms (+/-20%)

Optional module (EK1)

  • Digital inputs: Dry digital inputs, Isolation: >=2kVAC

  • Relay outputs: Contact 5A/250V AC or 5A/30V DC

Ambient conditions
  • Operating temperature : -25°C~70°C

  • Storage temperature: -30°C~80°C

  • Relative humidity: <=95% non-condensing

  • Altitude: <=2500m

Dielectric strength

  • According to IEC61010-1

Display

  • Display type: LCD

Dimensions

Dimensions