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The spm-ct-e electricity meter from Growatt(MPN sdm120ct) is a complete 1-phase solution for limiting grid export and monitoring the self-consumption of your Solarasystem, the data of which can be read on an LCD display. By accurately monitoring your self-consumption, you can optimize your energy consumption and maximize the efficiency of your Solarasystem. The smart meter is characterized by its high measuring accuracy and easy installation through plug and play. With rs485 communication and direct connections, the electricity meter is compatible with most Growatt inverters and storage systems.

The smart meter spm-ct-e at a glance

  • Control of export power & self-consumption
  • For single-phase systems
  • High measuring accuracy (class 1)
  • Quick installation - plug & play
  • Meter with ct to simplify cabling

Technical data

  • Rated voltage: 230V
  • Max. Current: 100 A
  • Current type: 1P2W
  • Input voltage: 184 - 276v AC
  • Communication: rs485, Modbus-RTU
  • Operating temperature range: -25°C - +55°C
  • Storage temperature range: -40°C - +70°C
  • Frequency: 50/60Hz
  • Humidity: 0 to 90%, non-condensing
  • Weight: 80g
  • Dimensions: 118 x 18 x 64 mm
  • Protection class: IP51
  • rs485 cable length: 15m
  • ct cable length: 5m

Scope of delivery

1x Growatt electricity meter spm-ct-e Smart Meter
1x 5m ct cable
1x 15m rs485 cable

Growatt_SPM_CT_E_Stromzähler_Datasheet.pdf Download
Growatt_SPM_CT_E_Stromzähler_QuickGuide.pdf Download
Growatt_SPM_CT_E_Stromzähler_Zertifikat.pdf Download
Communication ports: RS485
Frequency range: 50 Hz or 60 Hz
Manufacturer: Growatt
Operating temperature range: -25°C - +55°C
Protection type: IP51
Weight: 80 g
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