Specification :

1. Product Introduction
The DTSY156 Three-phase electronic prepaid watthour meter is a new type of IC card pre-paid meter,which has such function as power metering,load controal and customer information management.It is an ideal product when reforming electric-use system,achieving electrical energy to commercialize,setting charge and adjusting load stage in the electric network.All the indexes comply with the technological specifications aiming to the three-phase electronics pre-paid watt-hour meter in the standard of GB/T 17215-2002 Class 1 and 2 Static A.C Active Watt-hour Meter and GB/T 15460-2001. This series electronic watt-hour meter has two ways of wiring:Direct wiring or wiring by current transformer.

2. Function and Features.
Used to measure active energy,can normally work over long time without adjustment;
Prepaid by IC card;
Indicative function for phase loss or voltage indication;
One meter one card,with good anti-counterfeit feature;
Low energy alarm;
Overload alarm,auto power shut off due to continuous overload,and recording overload frequency;
Maximum load recording;
Current wattage,surplus wattage,accumulated wattage,load setting value,alarm wattage,maximum load and current load display;
Reading user,s number and accumulated wattage by a gathering card;
Wide operation temperature range:-20¡æ-+50¡æ;
Energy test pulse output;
Three-phase power supply,the energy meter can work normally once any one or two phase are broken.

3. Main Technical Data

Specification Model Rated voltage Demarcates the electric current
DDSY156 1.0 3 X 380/220
50Hz Straight general formula 3 X 5(20)A
3 X 15(60)A
3 X 30(100)A
Meets the mutual inductor type 3 X 3(6)A