SDM72CT-M

RS485 Modbus CT Type Din Rail Three Phase Multi-function Energy Meter

Measures Active Energy(kWh)+ Power(W)
Bi-directional Measurement
Resettable Energy
RS485 Modbus + Pulse Output
CT Operated
4 Module Wide
Class 1.0 Accuracy
35mm Din Rail Mounting

400-996-9296

SDM72CT-M

THREE PHASE FOUR WIRE ENERGY METER

The SDM72CT-M is Three Phase multi-function energy meter.

The unit measures and displays the characteristics of three phase four wires (3p4w) supply, including voltage, frequency, current, power, active and reactive energy, imported or exported. Energy is measured in terms of kWh, kVArh. The requisite current input(s) are obtained via current transformers(CT).

This meter can be configured to work with a wide range of CTs, giving the unit a wide range of operation. Built-in interfaces provides pulse and RS485 Modbus RTU outputs. Configuration is password protected.

Electrical Characteristics
Type of Measurement		RMS on three phase AC system (3P4W)
Measurement Accuracy	Power	1% of range maximum
	Active Energy	IEC 62053-21 Class 1.0 / EN50470-1/3 Class B
	Reactive Energy	IEC62053-23 Class 2
	Frequency	0.2% of mid-frequency
	Current	0.5% of range maximum
	Voltage	0.5% of range maximum
	Power Factor	1% of unity (0.01)

Input & Output
Input-Current	CT Type	CT Primary	1-9999A
		CT Secondary	1A/5A
		Min Current	0.25A
		Starting Current	10mA
	Direct Type	Rated Current	10A
		Max Current	100A
		Min Current	0.5A
		Starting Current	40mA
	SDM72D-M	2 Pulse Output + RS485 Modbus
	SDM72CT-M	2 Pulse Output + RS485 Modbus

Modbus Communications
Interface Standard and Protocol	RS485 and MODBUS RTU
Communication Address	1~247
Transmission Distance	1000m Maximum
Transmission Speed	1200bps~9600bps
Parity	None (default), Odd, Even
Stop Bits	1 or 2

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