Energy Meter & Current Transformer
Single Phase Multi-function En Ergy Meter Eastron SDM120-MB
- Multi-measurement: kWh,W, V, A, PF, Hz, dmd,etc.
- LCD with backlit
- 2 Pulse Output +Mbus
- Bi-directional Measurement
- Max. 45A Direct Load
- 1 Module 18mm Width
- MID approved
- 1P2W
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Electrical Characteristics |
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Type of Measurement |
RMS on single phase AC system (1P+N) |
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Measurement Accuracy |
Voltage |
±0.5%
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Current |
±0.5%
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Frequency |
±0.2%
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Power Factor |
±1%
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Active Power |
±1%
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Reactive Power |
±1%
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Apparent Power |
±1%
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Active Energy |
Class 0.5/1 IEC62053-21 Class C/B EN50470-3:2022 |
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Reactive Energy |
Class 2 IEC62053-23 |
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Input & Output |
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Input |
Current
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Rated Current (Ib/Iref) |
5A |
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Max Current(Imax.) |
45A |
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Min Current(Imin.) |
0.15A |
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Starting Current |
40mA |
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Voltage |
Rated Voltage (Un) |
230V |
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Operational Voltage |
85~276V AC |
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Output |
SDM120P |
2 Pulse Output for imp/exp. energy |
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SDM120M |
2 Pulse Output + RS485 Modbus |
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SDM120MB |
2 Pulse Output + M-bus EN13757 |
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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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Baud Rate |
1200bps~38400bps |
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Parity |
None (default), Odd, Even |
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Stop Bits |
1 or 2 |
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Response Time |
<100 mS |
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M-Bus EN13757-3 Communications |
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Communication Address |
1~250 |
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Transmission Distance |
1000m Maximum |
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Transmission Speed |
300bps~9600bps |
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Parity |
None (default), Odd, Even |
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Stop Bits |
1 or 2 |
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Response Time |
<100 mS |
