The DTSY726,DSSY726 type three-phase electronic pre-paid watt-hour meter is a new type of IC card pre-paid meter, which has such functions as power metering, load control and customer information management. It is an ideal product when refor-ming electric-use system, achieving electrical energy to commercialize, setting charge and adjusting load stage in the electric network.
Function and features
Active three-phase electric power metering, no subject to adjust in terms of long working;
Three phase power supply can assure accurate metering in case of cut off in one line (each line of the three-phase & three-line) or two lines(any two lines of the three- phase & four-line);
Indicative function for phase loss or voltage indication;
The signal will display after it test;
Each user(meter) responds to a card, well protect from forgery;
Once the remanining electric power quality is approaching the alarming power quality, the digital tube should be lighted to remind user of timely purchasing;
Once the electric consumption is not available, it should be auto cut-off;
Data-copy function make the electricity department easier to manage;
Auto cut-off overload;
Load switch is installed outside, relay control inside (contact capacity is 250VAC/5A);
The IC card power selling control system has the function of power selling and using control;