SDM54-DM

MID Direct Type 45A Three Phase Din Rail Multi-function Energy Meter for EV Charging Metering

Multi-parameters: kWh, kVarh, W, Var, VA, V, A, PF, Hz, Max. dmd,etc.
Max. 45A Direct Load
Better than Class1/B Accuracy
RS485 Modbus
Bi-directional Measurement
MID Approved
1P2W, 3P4W

400-996-9296

SDM54-DM

THREE PHASE MULTI-FUNCTION POWER ANALYZER

Eastron SDM54-DM is a newly designed small-sized three-phase energy meter, its characteristics are very suitable for the measurement and use of charging piles, making it the best choice for charging pile customers. The meter measures and displays the characteristics of single phase two wires (1p2w) and three phase four wires(3p4w) supplies, including voltage, frequency, current, power, power factor, active and reactive energy, imported or exported. Energy is measured in terms of kWh and kVArh. Maximum demand on power and current can be measured over preset periods of up to 60 minutes.

Eastron SDM54-DM supports max. 45A direct loads per phase, the meter is designed for DIN-rail mounting, with IP51 front protection. The meter is optionally equipped with RS485 Modbus port. Configuration can also be done via keypad, which is password protected.

The unit has been approved to meet the requirements of EU Directive 2014/32/EU.

Electrical Characteristics
Type of Measurement	RMS including harmonics on three phase AC system (3P, 3P+N)
Measurement Accuracy	Voltage	±0.5%
	Current	±0.5%
	Frequency	±0.2%
	Power Factor	±1%
	Active Power	±1%
	Reactive Power	±1%
	Apparent Power	±1%
	Active Energy	Class 1.0 IEC 62053-21 Class B EN50470-3:2022
	Reactive Energy	IEC62053-23 Class 2

Input & Output
Input	Current	Rated Current (Ib/Iref)	5A
		Max Current(Imax.)	45A
		Min Current(Imin.)	0.5A
		Starting Current	20mA
	Voltage	Rated Voltage (Un)	230V L-N / 120V L-N
	Voltage	Operational Voltage	80%~120% of Un
Output	RS485 Modbus

RS485 Modbus Communications
Communication Address	1~247
Transmission Distance	1000m Maximum
Transmission Speed	2400bps~38400bps, Default: 9600bps
Parity	None (default), Odd, Even
Stop Bits	1 or 2
Response Time	<80 mS

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