CN
YX-DTSY1277
Three-phase four-wire electronic prepaid watt-hour meter YX-DTSY1277
Main Functions: ◆ Precise three phase reactive power metering function
◆ Pre-payment of electricity, cut off arrears of power
◆ Emergency (temporary overdraft) power function, power-cut alarm, prompt of electricity
Three-phase four-wire electronic prepaid watt-hour meter YX-DTSY1277

Technical Parameter

Item Technical parameter
Model.YX-DDS1277 Single phase electronic watt-hour meter Model.YX-DTSY1277 Three-phase four-wire electronic prepaid watt-hour meter
Technical standard GB/T17215.321-2008 GB/T17215.321-2008、GB/T18460.3-2001
Reference voltage 220V 3×220/380V
Current specification Direct access: 5(60)A Direct access: 3×5(60)A
Mutual inductor access: 3×1.5(6)A
Accuracy grade Active Grade 2.0 Active Grade 1.0, Reactive Grade 2.0
Working temperature Normal working temperature -25℃~+60℃,Working limit temperature -40℃~+70℃
Relative humidity 45%-75%
Frequency range 50Hz
Static power consumption <1.5W,10VA
MTTF ≧10 year
Size (L×W×D) 165mm×118mm×65mm 217mm×145mm×70.5mm

Main Functions

◆ Precise three phase reactive power metering function
◆ Pre-payment of electricity, cut off arrears of power
◆ Emergency (temporary overdraft) power function, power-cut alarm, prompt of electricity purchase in time
◆ Load control function, limitation of user maximum power load
◆ LCD display, 6 digit display of residual power and total electricity consumption.
◆ Use of encryption card and dynamic dense algorithm, strong encryption, no decrypt of the entire system data
 

Main application

Single-phase electronic watt-hour meter and three-phase four-wire electronic prepaid watt-hour meter are designed and manufactured in accordance with international and domestic standards by adopting advanced dedicated chip for electric energy metering, high-performance single-chip microcomputer and SMT production technology. It has the characteristics of high reliability, high precision, low power consumption and electricity-stealing prevention.
Apply to electric energy metering of low voltage residential users and power consumers.
 

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