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Help CenterThree Phase Electronics Energy Meter
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Specifications
1.Reverse power consumption is calculated into forward consumption2.LCD display,
3.Freeze the energy
Specification & Technical Parameters
Electrical Characters
1.Measurement
3-phase voltage, 8 loops of 3 phase load current in one circuit, active power, active energy, frequency, power factor.
Auxiliary power supply:self-powered;
Consumption:≤5W;
Start-up current:0.004Ib,.When the current is 0.0004Ib and power factor is 1.0, the meter can start-up and be continuous recording.
Shunt running:With anti-shunt running logic circuits. When 115% voltage and no current, the meter output should not be more than one pulse.
2.Input Characters
Rated voltage:3×220/380V;
Voltage range:working:0.9~1.1Un,Max.:0.7~1.2Un;
Rated current:1.5(6)A,5(20)A,10(50)A,20(100)A;
Accuracy:Active 1.0with close-type CT),Active 2.0with split-type CT)details refer to the panel
2.3 Working Conditions
Working temperature:-10°C~50°C
Max. Working temperature :-25°C~55°C
Storage temperature:-40°C~70°C
Relative humidity:5~95%RHwithout condensation
2.4 Insulation strength
Alternating current withstand voltage:Between power supply/input/output:AC1.0kV/min·1mA Insulation resistance:≥100MΩ
2.5 EMC
1.2/50-8/20usShock:Power:4kV I/O:2kV
Electrical Fast Transient (EFT):Power:4kV,2.5kHz I/O:2kV, 5kHz
Electrostatic discharge (ESD):Contact Discharge:6kV Air Discharge:8kV
2.6 Communication
Communication port:RS-485
Communication Protocol: DL/T 645-2007 or modbus.DL/T 645-2007, Modbus.Combines DL/T 645-1997, DL/T 645-2007 and Modbus communication protocols which are adaptive ones. The communication address of the meter for DL/T 645-1997 or DL/T 645 2007 is the device number of 12 digits which is on the panel of the device. While the communication address for Modbus is the lower byte of a hexadecimal digits which is transformed from the last 3 digits of the device number.
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