Zhejiang Erfeng Electric Power Technology Co., LTD

DTSY6789/DSSY6789Three-phase four-wire
electronic prepaid energy meter

Three-phase four-wire electronic prepaid
watt-hour meter are the use of dadicated energy metering chips and single-chip
microcomputer as the core components of the all electronic products. Its
performance is in line with relevant standards, such as GB/T17215-2002
GB/T18460-2001.This product has a measurement accuracy and stable operation
security power consumption and operation at the end of the adrantages of esay
and conrenient.

Features

Using latest microelectronics technology
that the rated frequency of 50/60HZ three-phase AC active electric energy.

Power-down,the meter for more than 10 years
date retention.

8 high-brightness LCD display,high
reliability

Enough electricity first and then
electricity,equipped with acustom alarm levels of electricity,can produce sound
and light alarm and power failure alarm,timely prompts the user enough
electricity.

The use of advancedcryptographic algorithms
and complete password management system.the use of safe and reliable.

Relay load capacity,electric shock current
of current energy meter maximum current of 1.5-2 times.

Unique anti-static mountIC
design,can withstand 8kv ESD attack.

Technical specifications

Reference voltage:Three-phase four-wire 3×220/380 or 3×57.7/100V Three-phase three-wire 3×100V or 3×380V

Reference frequency:50HZ or 60HZ

Reference current:3×1.5(6)A,3×3(6)A,3×5(20)A,3×10(40)A,3×15(60)A,3×30(100)A

Level accuracy:1 or 2

Logic design with anti-submarine

Power:<2W

Relay output capacity of electric
shock:energy meter of 1.5-2 times the maximum current

Environmental conditions:

Standard working conditions:-30℃~70℃

Extreme operating temperature:-40℃~75℃

Relative humidity:≤90%