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Acrel DTSD1352-4S Multi-circuit Power Meter


Four loops energy meter

Application:data center,telecom station,base tower

4-way three-phase or 12-way single-phase loop full electric parameter measurement, external current transformer;

Monitoring each phase voltage/current, zero sequence current, frequency;

Monitoring each phase power and total power (active, reactive, apparent);

Monitoring each phase power factor and total power factor;


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Overview

Acrel DTSD1352-4S series DIN-rail type multi-circuit power meter is mainly used for Data center,telecom Tower station the full electric parameter measurement of multiple circuits, and could be connected to the current input of 4 three-phase circuits or 12 single-phase circuits at the same time. It could measure parameters such as voltage and current, power, power factor, phase angle, unbalance, and harmonics.

Product function

The specific functions are as follows:

4-way three-phase or 12-way single-phase loop full electric parameter measurement, external current transformer;

Monitoring each phase voltage/current, zero sequence current, frequency;

Monitoring each phase power and total power (active, reactive, apparent);

Monitoring each phase power factor and total power factor;


Monitoring voltage/current phase angle, voltage/current unbalance;

Monitoring total voltage/current harmonics and 2nd to 31th harmonics;

Recording voltage, current and power extreme value of the current month and the previous month;

Maximum current, maximum power demand and real-time current, real-time power demand;

200 event loggings to record the actions of DIDO;

Supporting overvoltage, overcurrent, phase failure, DI linkage and other alarm output;

Rate setting for 4 time zones and 14 time periods;

Four-quadrant energy, 12-month multi-rate energy statistics;

31-day four-quadrant and multi-rate energy freeze, forward and reverse energy metering;

Four passive switch inputs, two active switch inputs, one switch output, RS485 communication;

Two-way passive switch input, two-way switch output, RS485 communication;

Note: It can only choose either-or between four passive switch inputs, two active switch inputs, one switch output and two passive switch inputs, two switch outputs.

Dimension (Unit: mm)

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Main technical parameter

Auxiliary PowerAC/DC 85~265V or DC 40-60V; power consumption≤10VA;
Input SignalFrequency45~65Hz;
VoltageRated value: AC 3×220V/380V;
Overload: 1.2 times rated value (continuous); 2 times rated value/1 second;
power consumption: ≤ 0.5VA(each channel);
CurrentRated value: Secondary input rated current:50mA
Overload: 1.2 times rated value (continuous); 10 times rated value/1 second;
power consumption: ≤ 0.5VA(each channel);
Measurement AccuracyFrequency: 0.05Hz, voltage and current: 0.5 class, active energy: 1 class, reactive energy: 2 class; 2nd to 31st harmonic accuracy: ±1%;
FunctionPulse outputOutput method: optocoupler pulse with open collector,the pulse constant defaults to 400imp/kWh (and active open input can only be either-or.);
communicationRS485 interface, Modbus-RTU protocol; baud rate 1200~38400;
Switch Input

2-way or 4-way passive dry contact input, built-in power supply;

2-way active wet node input (AC220V), identify the oil generator and mains access (and pulse output can only be either-or.); 

Switch OutputOutput method: relay normally open contact output; 

Contact rating: AC 250V/3A  DC 30V/3A;

Matching transformers

The current transformer is a crystal head interface, the primary side current is 50A-600A . If the current transformer is different, the customer can modify the current transformation ratio through the instrument interface or communication according to the actual use. The transformer is shown in Figure 1 and Figure 2.

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DTSD1352-4S Matching current transformers

TypeRatioLine LengthAccuracyInstallation Method
AKH-0.66/W-9NY 50A/20mA50A/20mA(1+0.2)m0.2 classClosed type, crystal head interface
AKH-0.66/K-Φ10N 50A/20mA50A/20mA(1+0.2)m0.5 classOpen type, crystal head interface
AKH-0.66/W-12NY 100A/50mA100A/50mA(1+0.2)m0.2 classClosed type, crystal head interface
AKH-0.66/K-Φ16N 100A/50mA100A/50mA(1+0.2)m0.5 classOpen type, crystal head interface
AKH-0.66/W-20Y 200A/50mA200A/50mA(1+0.5)m0.2 classClosed type, crystal head interface
AKH-0.66/K-Φ24N 200A/50mA200A/50mA(1+0.5)m0.5 classOpen type, crystal head interface
AKH-0.66/W-30NY 250A/50mA250A/50mA(1+0.5)m0.2 classClosed type, crystal head interface
AKH-0.66/K-Φ24N 250A/50mA250A/50mA(1+0.5)m0.5 classOpen type, crystal head interface
AKH-0.66-TD-Φ60-NY400A/50mA(1+0.5)m0.2 classClosed type, crystal head interface
AKH-0.66/K-Φ36N 400A/50mA400A/50mA(1+0.5)m0.5 classOpen type, crystal head interface
AKH-0.66-TD-Φ60-NY600A/50mA(1+0.5)m0.2 classClosed type, crystal head interface
AKH-0.66/K-Φ36N 600A/50mA600A/50mA(1+0.5)m0.5 classOpen type, crystal head interface

Note: For special transformers, please contact for specific consultation.

Wiring Instruction

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