We develop and produce high performance electricity meters, power analyzers, current sensors, communication modules and management systems. 40mA CT Operated RS485 Modbus Din Rail Multi-function Energy Meter Manufacturers and Factory
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Eastron SDM36CT-M 40mA is Eastron's new-generation three-phase smart energy meter.
Eastron SDM36CT-M 40mA smart meter can accurately measure and display various electrical parameters in single-phase two-wire (1P2W), single-phase three-wire (1P3W), three-phase three-wire (3P3W), and three-phase four-wire (3P4W) power systems, including voltage, current, power, frequency, active energy, reactive energy, forward energy, reverse energy, and total harmonic distortion. Energy is measured in kWh and kVArh. It is suitable for real-time power monitoring systems, featuring multi-functionality, versatility, high stability, and long service life.
Eastron SDM36CT-M 40mA smart meter uses external current transformers for connection, making it suitable for various high and low voltage power grids, with a maximum current of up to 9999 A and a maximum voltage of up to 500KV. Eastron SDM36CT-M 40mA smart meter is equipped with an RS485 communication interface, supporting a maximum communication rate of 115.2k bps for remote data transmission. The minimum communication interval can be as short as 100 milliseconds, making it an ideal choice for power energy monitoring. Parameters can be set via touch buttons on the panel, offering easy operation with password protection.
Eastron SDM36CT-M 40mA smart meter features two pulse outputs, with one output having configurable pulse constant, pulse width, and pulse type.
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Electrical Characteristics |
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Type of Measurement |
Three-phase AC system |
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Measurement Accuracy |
Active Power |
±0.5% (5%Ib-Imax) |
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Active Energy |
Class 0.5S IEC62053-22 Class C EN50470-3:2022 |
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Reactive Energy |
Class 2 IEC 62053-23 |
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Frequency |
±0.05% |
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Current |
±0.2% |
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Voltage |
±0.2% |
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Power Factor |
±0.005 |
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Data Update Rate |
100mS |
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Input-Voltage |
Voltage AC (Un) |
3*230 / 400V AC
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Voltage Range |
100~277V AC (L-N) 100~480V AC (L-L) |
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Frequency |
50/60 Hz |
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RS485 Communications |
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Protocol |
MODBUS RTU |
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Communication Address |
1~247 |
| Transmission Mode |
Half duplex |
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Data Type |
Floating point |
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Transmission Distance |
1000m Maximum |
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Transmission Speed |
2400/4800/9600(Default)/19200/38400/115200bps |
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Parity |
None (default), Odd, Even |
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Stop Bits |
1 or 2 |
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Response Time |
<100mS |