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Grey Energy Efficiency Management High Performance Easy Installation DDS3102-3N

Minimum Order Quantity : 100 Price : 400
Packaging Details : Carton Packaging Delivery Time : 30 days
Payment Terms : T/T Supply Ability : 2000 per day (based on the number of the order)
Place of Origin: Changsha, Hunan Brand Name: Willfar Information Techonology Co., Ltd.
Certification: CPA/CMC/CE Model Number: DDS3102-3N

Detail Information

Color: Grey Celiangfanwei: 10V~700V
Gonghao: < 0.05VA Jingdu: RMS 0.2 %
Fenbianlv: 0.01V
High Light:

power monitoring device


3 phase power monitor

Product Description

Energy Efficieny Management Device Single-phase Distribution Monitoring DDS3102-3N
Company Profile
Willfar Information Technology Co., Ltd.
- Established in 2004;
- Listed on the STAR Market of the Shanghai Stock Exchange in December 2019;
- Leading supplier of meter reading (AMI) equipment and operation service;
- The first company to develop "One DCU Reading Multi-meter" solution in China;
- The first company to have large-scale application of technologies and systems like "CPU smart-card Charge and Control", "One DCU Reading Multi-meter", LoRa-based RF Communication and "District Metering Area (DMA)”
Technical Parameter

Wiring ModeThree Phase 3 wires, Three Phase 4 wires, Single Phase



Reference Voltage:

Power Consumption:< 0.05VA(Single Phase)
Accuracy: RMS 0.2 %
CurrentNominal Voltage: 0.3A,1A,1.5A,5A
Range: 0.001In ~ 10A
Power Consumption: < 0.05VA(single line nominal current)
Accuracy: RMS 0.2 %
Resolution: 0.001A
Accuracy: 0.5%或0.2%
Resolution: 0.001kW/kVar/kVA
Line FrequencyRange: 45 Hz~65 Hz
Accuracy: 0.2%
Resolution: 0.01 Hz
Harmonic WaveTime: 2~50times
Accuracy: Class A
Resolution: 0.01 %
Active Electric EnergyLevel of Accuracy: 0.5S或0.2S
Resolution: 0.01 kWh
Reactive Electric EnergyLevel of Accuracy: Class II
Resolution: 0.01 kvarh

Digital Signal

Power Pulse Output2-line electric energy (active/reactive) Pulse Output
Switch Output
2-line electromagnetic relay output
Normally Open Type
Contact Rating: AC 250V /3A;DC 30V /3A
Switch Input
4-line dry contact input

Analog Signal

Transducing (analog) Output

4-line transducing output
Current Output Type (4~20mA/0~20mA/0~24mA)
Voltage Output Type (0~5V/0~10V)
Accuracy: 0.5%
CommunicationRS-485 Communication Interface
Interface: 2-wire half duplex
Communication Rate: 600bps~38400bps
Protocol: Modbus-RTU, DL/T645
EnvironmentWorking Temperature-25℃~+60℃
Limit Working Temperature-35℃~+70℃
Relative Humidity≤ 95% (non-condensing)
OtherPower SupplyAC or DC
Maximum Input Range: 40V~420V
Power Consumption: ≤1W,2VA
DimensionBoundary Dimension (mm):96×96×95
Hole size (mm):92×92
Weightaround 450g

- High precision: measure / measure the whole power parameters, the accuracy of active power is 0.5s, the accuracy of reactive power is 2.
- Wide voltage: AC/DC adaptive operation, 40~420V AC/DC input range.
- Multi-communication: 1-way 485 communication interface, supporting MODBUS-RTU and DL/T645-2007 protocols.
- Multi-interface: 2 switch inputs, 1 relay output, 4 analog transmission output optional.
- High performance: dustproof and waterproof, nationally standardized double insulation, level 4 EMC anti-disturbance test, Class B level RF electromagnetic field interference.
Suitable for transformer and distribution automation systems, industrial control and industrial automation systems, energy management systems and community power monitoring and other occasions

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