Designed for ordinary prepayment residential customer

DT is a single single-phase 80A split meter in DIN rail-mount housing, it is an ideal product for new reticulation where housing is informal. The prepayment meters are mounted in a pole-top enclosure with respective customer interface units conveniently mounted in the dwellings below.

Key Features

Compact meter design, with DIN rail-mount layout for high density stacking Easy to install User Interface Unit provides valuable information to help consumers effectively manage their electricity consumption Galvanic ally isolated communication link to customer interface unit for consumer safety Plug-in communications connector on the meter for easier utility access and maintenance Programmable operating mode - Prepayment or Credit metering modes Programmable software power limit Commissioning and de-commissioning feature Significant Reverse Energy (SRE) detection Meter state indication LED and communication diagnostic LED at the meter High surge withstand capability for areas prone to lightning or other line surges High temperature withstand capability SABS 1524 and IEC 62052-11, IEC 62053-21 compliant

General Information

u  Single phase, 2-wire, direct connected prepayment meter

u  Credit store with decrement-on-usage

u  Credit entry mechanism: Keypad; encrypted numbers (prepayment mode)

u  STS Compliant

u  Single Pole latching contactor with 90A

Electrical Ratings

u  Nominal voltage: 230 Volts (-20% ~ +20%)

            Other voltages available on request

u  Burden:

            Voltage circuit: <1.8W / 10VA @230V

            Current circuit: <2.5VA @ Ib

u  Frequency: 50Hz (60Hz option available)

u  Current Range: 10(80) A

u  Protective class (according to IEC 62052-11) Class II (double insulated)

Measured Energy Values

u  Import and export kWh

u  V, I, frequency and power factor

Environment

u  Operating temperature: -25°C to +70°C

u  Storage range: -40°C to +80°C

u  Relative humidity: <95% non-condensing

u  Ingress protection: IP54 (indoor)

 

Communication

u  Optical Port according to IEC 62056-21

u  PLC or MBUS communication with UIU. The distance is up to 130 meters.

u  VTC port

 

Battery

u  Li-SOCl2 battery rated 1000 mAh, 3.6V, with life of 10+ years and 5 years continuous duty at 25 °C

Event Record

u  Events record with date & time

u  Multi-events record:

         √ Last 50 times of purchasing credit

         √ Demand, overload, unbalance current, magnet tamper, reverse energy

         √ Externally initiated meter reading (local or remote)

            √ Power outage

Installation Sizes and Diagram

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