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Zhuhai Guoce Electric Energy Instrument Technology Co., Ltd

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    No. 4, Third Street, Cuizhu Industrial Zone, Qianshan, Zhuhai City, Guangdong Province

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DTSY25 M1-Y Three phase Four wire Electronic Prepaid Energy Meter (Rail)

NegotiableUpdate on 03/11
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Overview
Product Model: DTSY25 M1-Y Product Introduction: The DTSY25 M1-Y three-phase four wire electronic prepaid energy meter (rail) is developed using modern advanced microelectronics technology, computer technology, electrical measurement technology, and data communication technology. It is a new generation of measuring device that meets the new requirements of energy measurement in our company; Support remote prepayment function, suitable for three-phase users such as residents, small shops, and office buildings with prepayment of the main station, centralized remote meter reading needs, and centralized installation of electricity meters for household metering.
Product Details
Functional Features


35mm DIN standard rail installation, in compliance with DIN EN 50022 standard. Standard configuration: Passive power pulse output.

Three phase active and reactive energy measurement and display of three-phase voltage, current, active energy, and reactive energy.

Voltage signal power supply, no auxiliary power supply required.

Prepaid fees

By adopting a pay before use policy, users can purchase a certain amount of electricity in advance before using it. When the electricity is used up, the meter will automatically cut off the power to prevent overdue electricity bills.

postpaid

To ensure the power supply of key users, the energy meter can be set to operate in power protection mode. After setting the power guarantee, the electricity meter will not automatically cut off the power if there is any arrears, and users can pay again after using the electricity.

metering function

A has the function of measuring positive and negative active energy;

Measurement of reactive energy for combination reactive power 1 and combination reactive power 2;

C supports multiple rate measurement (optional).

D supports hourly freezing, timed freezing, daily freezing, and scheduled freezing functions (optional);

display function

A supports displaying multiple parameter interfaces;

B has automatic parameter rotation display function;

communication

The electric meter has one RS485 interface, which is electrically isolated from the inside of the meter and designed with lightning protection circuit;

output function

Has active and reactive power test pulse output.

Event recording function

Real time measurement of effective values such as voltage, current, power, and current frequency;

B has recording functions such as programming and timing.

Equipped with remote recharge and remote closing function (optional)

Implement remote power on/off function of the energy meter by sending instructions through the main station backend.



Technical indicators
Technical Parameter
Calculation range: 0~999999.99 kWh 0~999999.99kWh
Rated frequency: (50Hz ± 2.5) Hz
Display: LCD

Communication: RS485 ① port: 1200bps~9600 bps

Baud rate: default 2400 without checksum

Infrared interface: 1200bps

Communication protocol: DL/T 645-2007 "Communication Protocol for Multifunctional Energy Meters"

Modbus RTU protocol

Electrical parameters Normal operating voltage: 0.9Un~1.1Un
Extended working voltage: 0.8Un~1.15Un
Power consumption of each phase voltage line: ≤ 2W and 10 VA
Each phase current circuit: ≤ 1VA
Rate work parameters Clock accuracy (daily error): ≤ 0.5S (23 ℃)
Weather Normal operating temperature: -10 ℃ to+45 ℃
Extreme working temperature: -25 ℃~+55 ℃
Storage and working humidity: Annual average ≤ 95%
mechanical parameters Dimensions: 126mm × 97mm × 77.6mm



Model and specification comparison table
model accuracy class rated voltage Calibration current

DTSY25

M1-Y

Active: 0.5S, Level 1

Reactive power: Level 2

3×220V/380V 3x1.5(6)A
3x5(60)A
3x10(40)A
3x20(80)A
3x30(100)A




Installation dimension diagram



安装尺寸图.png


Functional Terminal Wiring Diagram



接线图-互感式.png

Mutual inductance wiring diagram


接线图-互感式(继电器).png

Mutual inductance (relay) wiring diagram


接线图-直接接入式.png

Direct access wiring diagram



The product meets the standards

GB/T 17215.321 "Special Requirements for AC Measuring Equipment Part 21: Static Active Energy Meters (Class 1 and Class 2)"

GB/T 17215.211 "General Requirements, Tests and Test Conditions for AC Measuring Equipment Part 11: Measuring Equipment"

DL/T 614-2007 "Multifunctional Energy Meter"