Eastron load guard Autel EV chargers single phase Thundergrid
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Eastron SDM120CTM Single Phase Energy Meter

Eastron SDM120CTM, CT Type, Single Phase, DIN Rail is a load guard that should be purchased with all single-phase Autel EV chargers.

If you would like to purchase this product, please contact us at
info@thundergrid.net for more information.

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Eastron SDM120CTM, CT Type, Single Phase, DIN Rail is a load guard/energy meter that should be purchased with all single-phase Autel EV chargers to enable dynamic load management.

Great for

  • Residential EV charger installations
  • Advanced multifunction energy monitoring for single phase systems with a nominal voltage of 230 VAC 
  • Backlit LCD display for viewing of readings such as active energy (kWh), voltage (V), current (A), active power (W), frequency (F), and power factor (PF)
  • Compact housing for easy installation. The DIN rail mounting energy meter can easily be installed in most distribution boards and only requires space for 1 module (18 mm width)
  • Separate current transformer connection means there is no need to rewire an existing distribution board for current monitoring connections
  • Modbus communications for dynamic load management are achieved by a twisted/shielded communications cable from the energy meter to the charger 
  • Input: Single phase (1PH-2W), 230VAC (Operational range of 80-120%), 1A/5A CT secondary, 50/60 Hz 
  • Output: 2 pulse output + RS485 Modbus RTU 
  • Multi-measurement: kWh, W, V, A, PF, Hz, etc. 
  • Backlit LCD 
  • Modbus transmission distance: 1000m 
  • Dimensions: Width 17.5mm / Height 119mm / Depth 62mm 

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