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DTSY23III Three-phase Three-wire Prepayment Watt-hour Meter

General Introduction
Electronic Three Phase Four Wire (CT Input), Three Phase Three Wire (CT Input) and Three Phase Four Wire (Direct Input) adopt the latest micro-electronic technology for measuring three phase AC active power energy with frequency 50/60Hz,meanwhile fulfill prepayment power management function which means paying money firstly, consuming energy afterwards as well as load control function. This watt-hour meter has special outside structure and exclusive function features which can suit for different requirement for power consuming.

Physical Features:

Types And Norms

(Types And Names)/Norm

Accuracy Class

Rated Voltage (V)

Nominal Current (A)

DTSY26 Model Electronic Three Phase Four Wire Prepayment Watt-hour Meter (CT Input)

1.0

3x220(380)

3x1.5(6)

DSSY27Model Electronic Three Phase Three Wire Prepayment Watt-hour Meter (CT Input)

1.0

3x100

3x1.5(6)

DSSY26 Model Electronic Three Phase Three Wire Prepayment Watt-hour Meter (CT Input)

0.5

3x100

3x1.5(6)

DTSY23 Model Electronic Three Phase Four Wire Prepayment Watt-hour Meter (Direct Input)

1.0

3x220(380)

3x5(30)

3x10(60)

 
Physical Features:

Technical Specifications

Power Consumption: 
    every voltage circuit<1.0W
  every current circuit<1.0VA

Outside Size:285mmx176mmx86mm

Weight:<3 Kg

Star Current:
    DTSY26/DSSY27/DSSY26    0.2%In
    DTSY23   0.4%Ib

Display Bit Data:7digits include 2 decimals.

Latent Running:  
    there is anti-latent running logical circuit

Ambient Temperature: -30 +65

Relative Humidity:¡Ü 85%

Meter Constant:

    DTSY26  1600imp/kW.h

DSSY27/DSSY26  3200imp/kW.h

    DTSY23-5(30)A 300imp/kW.h

DTSY23-10(60)A 200imp/kW.h

Voltage Scope:
  Three Phase Four Wire Meter: Rated Operation Scope: 175V-250V
  Max Operation scope:150V-275V;
  Three Phase Three Wire Meter: Rated Operation Scope: 80V-150V
  Max Operation scope: 70V-125V;

Capacity of No Battery Output Contacts:
  Tripping Return Circuit: AC 277V  5A/DC  30V  5A ;
  Warning Return Circuit: AC 277V  2A/DC  30V  5A.

Function Features Of Electronic Three Phase Prepayment Watt-hour Meter