DDSD1352-CT 20(100)A Single Phase Energy Meter

DDSD1352-CT single phase energy meter is with CE approval and designed for single phase active energy measurement on low voltage system.


It can measure voltage,current,power and so on.It is with infrared communication,with RS485 Modbus communication,it is convenient for electricity monitor,automatic meter reading and management.

It is easy to install,with small size and with high accuracy.

Main Functions

  • kWh measurement: Single phase active kWh (foward and reverse )

  • Measurement: Voltage,Current, Active power, Reactive power, Apparent power, Power factor and Frequency

  • 8 bits section LCD display

  • 3 keys to set parameters like code, address, baud rate, multi-tariff and communication protocol

  • Active energy pulse output

  • Infared communication

    Optional functions:

  • Multi-tariff energy:Adapt 4 time zones, 2 time interval lists, 14 time interval by day and 4 tariff rates

  • RS485 Modbus-RTU

Dimensions and wirings

Outline (unit: mm)  



Q:Where is your company located?


A:Our headquarter is in Shanghai, our factory locates in Jiangyin,Jiangsu Province,China.It takes about 1 hour by car from Shanghai Hongqiao International Airport to our factory. As it is low labor cost here in Jiangsu,we can offer a better price with high quality.


Q:What’s your lead time?


A:Sample time 1-3days,mass production 10~20days for order more than 500pcs


Q:Payment terms?


A:Usually,TT,credit card,western union,in cash and so on.You can also choose to pay 30% as deposit and the balance before shipment or against copy of B/L if the order is large.


Q:Can other logo be put on your products(ODM)?

A:Yes,but MOQ for ODM will be at least 5pcs for trial order.We also need you provide logo Ai Format or EPS.



Input voltage
Rated voltageAC220V 230V 240V
Reference frequency50/60HZ
Input current
rated current20(100)A
starting current0.0041b
Acurracy class
measurement accuracyactive electrical energy class 1.0
Pulse output
Output typephotocoupling,open-collector,outside power DC+5v~24v
Pulse length80ms±20ms
puls constant(correspondence with input current)1600imp/kwh
Dimension and Installations
Din rail 35mm
Measurement of Kwh
Total kwh(forward and reverse ),frozen history kwh in three month before
Measurement of electrical parameters
voltage,current,active power,reactive power,apparent power,power factor and frequency
Communication interface RS485 orCommunication protocol modbus-rtu
Multi-tariff energy(optional)
Adapt 4 time zones,2 time interval lists,14time interval by day and 4 tariff rates
Acurracy class
active electrical energy accuracy1
reactive energy accuracy2