Energy Meter & Current Transformer
MID Din Rail Three Phase Multi-function EV Meter for EV Charging Metering Eastron SDM72D-M
- Max. 100A Direct Load
- For 22kW or below AC EV Charging Piles
- Multi-measurement: kWh, kVarh, W, Var, PF, Hz, etc.
- Bi-directional measurement
- Resettable energy
- Rs485 Modbus + Pulse output
SDM72D-M is a MID Din Rail Three Phase Multi-function EV Meter for EV Charging Metering.
The unit measures and displays voltage, current, frequency, power factor, active power, reactive power, active energy and reactive energy, etc. A resettable partial energy is provided, and the user can easily check the active energy imported and active energy exported during a certain period.
The meter is widely used in applications like EV Charger Piles. It has been assessed and certified as meeting the requirements of EU Directive 2014/32/EU.
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Electrical Characteristics |
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Type of Measurement |
RMS on three phase AC system (3P4W) |
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Measurement Accuracy |
Power |
1% of range maximum |
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Active Energy |
IEC 62053-21 Class 1.0 / EN50470-1/3 Class B |
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Reactive Energy |
IEC62053-23 Class 2 |
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Frequency |
0.2% of mid-frequency |
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Current |
0.5% of range maximum |
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Voltage |
0.5% of range maximum |
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Power Factor |
1% of unity (0.01) |
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Input & Output |
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Input-Current |
CT Type |
CT Primary |
1-9999A |
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CT Secondary |
1A/5A |
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Min Current |
0.25A |
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Starting Current |
10mA |
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Direct Type
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Rated Current |
10A |
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Max Current |
100A |
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Min Current |
0.5A |
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Starting Current |
40mA |
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SDM72D-M |
2 Pulse Output + RS485 Modbus |
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SDM72CT-M |
2 Pulse Output + RS485 Modbus |
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Modbus Communications |
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Interface Standard and Protocol |
RS485 and MODBUS RTU |
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Communication Address |
1~247 |
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Transmission Distance |
1000m Maximum |
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Transmission Speed |
1200bps~9600bps |
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Parity |
None (default), Odd, Even |
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Stop Bits |
1 or 2 |