Three Phase Keypad Prepayment Meter

DS3000 meter from DONSUN Technology provides an easily affordable solution for commercial and light industrial prepaid metering. Robust, reliable, modern and equipped with innovative features. Supplemented to this is the ability for the meter to operate as a prepayment or post-payment meter by standard STS switching TOKEN.



Meter are compliant to IEC 62055-31, having an ingress protection of IP54 to IEC 60529 and comply with EMC standard IEC 50081-1.

Basic Feature


The DS3000 includes all the high functionality: four-quadrant metering; active, reactive, and apparent energy and demand measurements; standard event logs and time-of-use metering; LCD with optional backlight provides a flexible interface to the user for displaying meter data; and non-volatile memory for both billed and non-billed interval data.
It's flexible between post payment mode and prepayment mode, and it offers Customer Interface Unit (CIU) as an optional device.


DS3000 offers high security with various useful security features. The meter stores all registration and configuration data to nonvolatile memory.All data is retained for the life of the meter. Recordable security features are provided.

Metering Security

The meter offers high security and detects many of the most commonly used tamper techniques.

Security data can be included as part of the display sequence and read via the communication ports.


DS3000 can be configured by the customer to display English characters or OBIS identification codes.

An optional battery can support the display during power outages.


Item Description
Network 3 Phase 4 Wires network
Nominative standard IEC 62052-11
IEC 62053-21
IEC 62053-24
IEC 62055-31
IEC 62055-41
IEC 62055-51
IEC 62055-52
IEC 62056-21
Accuracy class Class 1.0 as per IEC 62053-21
Class 1.0 as per IEC 62053-24
Reference voltage Un=3x22-240/380-415V, L-N
Operating voltage Range 70%-120%Un
Basic current Ib=5A
Maximum current Imax up to 100A
Starting current Ist=0.4%Ib
Reference frequency 50Hz or 60Hz +/- 5%
Power consumption Voltage circuit <1W, <2.5VA
Current circuit < 0.25VA @ Imax
Temperature Operation: -40º to + 55º C
Storage: -40º to + 85º C
Enclosure IP54 IEC 60529:1989
Communication Local: Optical, RS-485, MC171
Item Description
8 Time-of-Use (TOU) registers
4 Maximum demand (MD) registers
48 Switching times
4 Seasons
12 Change of season dates
32 Exclusion dates
12 End of billing dates