Type: DSSD51C/DTSD51C Three Phase Static Prepaid Multi-function Energy Meter

Accuracy: CL0.5S,1.0 (active)/2.0(reactive)

Power loss: ≤2W/5VA

Nominal voltage: 57.7V 100V 220V

Nominal current: 3x1(2)A 3x3(6)

Frequency: 50Hz


1. Functions and Features

1.1) Measurement Function
a. Active/reactive energy consumption measurement

1.2) Real-time Measurement Function
a. Instantaneous active/reactive power measurement
b. Instantaneous max demand measurement

1.3) Multi-rate Function
a. 4 tariffs, 10 time segments

1.4) Communication Function
a. Meter reading and setting can be achieved via RS485 or infrared port
b. RS485 port electric insulation, lightning proof circuit design
c. Communication protocol:
DL/T645-1997 Communication Protocol for multi-function meter

1.5) Output Port
a. Active/reactive test impulse output port
b. Active/reactive remote impulse output port
c. Trip and alarm output port

1.6) Events Record Function
a. Event record of max demand stamped with date&time
b. Event record of voltage missing by phase stamped with date&time

1.7) Display: LCD

1.8) Other Functions
a. Unique smart card, one car for one meter
b. Load control function
c. Meter reading under no energy

2. Technical Characteristic
Accuracy :CL0.5S,1.0 (active)/2.0(reactive)

DSSD51C/DTSD51C Three Phase Static Prepaid Multi-function Energy Meter