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Eastron SDM630 Modbus V2 100A Three Phase Multifunction Energy Meter

  • MID B+D Certified
  • Certified for Single & Three phase networks
  • Certified for Import & Export Active energy (kWh)
  • DIN Rail Mounted (4-DIN Modules)
  • High Definition backlit display
  • 5A or 1A input CT input
  • Pulsed output and built in RS485 (Modbus)
  • Class B (Active energy)
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Product Details

The SDM630 Modbus V2 Three Phase Multifunction Energy Meter measures single and three phase supplies, while displaying all the fundamental electrical parameters. With built-in pulse and RS485 outputs, the meter measures both single and three phase supplies. This unit is best suited for sub-billing and energy management.

Product Specification

Voltage and Current:

Phase to neutral voltages 100 to 289V a.c. (not for 3p3w supplies)

Voltages between phases 173 to 500V a.c. (3p supplies only)

  • Basic current (Ib): 10A
  • Max current : 100A
  • Min. Current: 5% of Ib
  • Starting current: 0.4% of Ib

Percentage total voltage harmonic distortion (THD%) for each phase to N ( not for 3p3w supplies)

Percentage voltage THD% between phases (three phase supplies only)

Current THD% for each phase 


  • Voltage 0·5% of range maximum
  • Current 0·5% of nominal
  • Frequency 0·2% of mid-frequency
  • Power factor 1% of unity (0.01)
  • Active power (W) ±1% of range maximum
  • Reactive power (VAr) ±1% of range maximum
  • Apparent power (VA) ±1% of range maximum
  • Active energy (Wh) Class 1 IEC 62053-21
  • Reactive energy (VARh) ±1% of range maximum
  • Total harmonic distortion 1% up to 31st harmonic
  • Temperature co-efficient Voltage and current = 0.013%/°C typical
  • Active energy = 0·018%/°C, typical
  • Response time to step input 1s, typical, to >99% of final reading, at 50 Hz.

Power factor, Frequency, and Max. Demand:

  • Frequency in Hz
  • Maximum demanded power since last Demand reset Power factor
  • Maximum neutral demand current, since the last Demand reset (for 3p4w supply only)

Instantaneous power:

  • Power 0 to 99999 W
  • Reactive Power 0 to 99999 VAr
  • Volt-amps 0 to 99999 VA

Energy Measurements:

  • Imported active energy 0 to 999999.99 kWh
  • Exported active energy 0 to 999999.99 kWh
  • Imported reactive energy 0 to 999999.99 kVArh
  • Exported reactive energy 0 to 999999.99 kVArh
  • Total active energy 0 to 999999.99 kWh
  • Total reactive energy 0 to 999999.99 kVArh

Reference Conditions of Influence Quantities:

  • Ambient temperature 23°C ±1°C
  • Input frequency 50 or 60Hz ±2%
  • Input waveform Sinusoidal (distortion factor < 0·005)
  • Magnetic field of external origin Terrestrial flux


  • Operating temperature -25°C to +55°C*
  • Storage temperature -40°C to +70°C*
  • Relative humidity 0 to 90%, non-condensing
  • Altitude Up to 2000m
  • Warm up time 1 minute
  • Vibration 10Hz to 50Hz, IEC 60068-2-6, 2g

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