Item

Sub-item

Parameter

Basic

Meter Type

Three Phase four Wires

Measurement Method

Three element

Active Accuracy

Class 1 (IEC 62053-21)

Reactive Accuracy

Class 2 (IEC 62053-23)

Rated voltage Un

3 x 220/400 V --3 x 240/400 V

extended operating voltage range:

0.8Un-1.2Un

Operating frequency

50Hz

Measuring current (A)

10(100)A

Starting current

0.004Ib

Pulse constant

3200 imp/kWh

3200 imp/kvarh

Power consumption

Current circuit power consumption<=0.5VA

Voltage circuit power consumption<=2W/10VA

Operating temperature range

-25°C -- +80°C

Storage temperature

-40°C -- +85°C

Measurement

Active Energy

Active Energy(forward)=|+A|+|-A|(default)

???????????????????????????????????? ?? or =|+A|

Active Energy(reverse) = |-A|

Reactive Energy

Reactive Energy(forward) = Q1+Q2

Reactive Energy(reverse) = Q3+Q4

Reactive Energy(Q1) = Q1

Reactive Energy(Q2) = Q2

Reactive Energy(Q3) = Q3

Reactive Energy(Q4) = Q4

Instantaneous

Three Phase Voltage(V);

Three Phase Current(A);

Total and Three Phase Active Power(kW);

Total and Three Phase Reactive Power(kvar);

Total and Three Phase Apparent Power(kVA);

Total and Three Phase PF;

Communication

Local Comm. Port

Optical (IEC62056-21)

Local Comm. Protocol

IEC62056-21 C mode

Remote Comm. Port

RS485

Communication Modem

Built-in;

Remote Comm. Protocol

IEC62056-21

Remote Control

Relay

1 Main contactor(3x120A);

Load Control

Overload disconnect contactor(load limit value can be configured)

TOU

TOU

- 4 tariff, 10 time span

- 8 typical days profiles

- 8 typical weeks profiles

- 6 typical seasons

- 40 definable special days

- 20 definable fixed holidays

-Daylight Saving Time(15 years)

RTC

<=0.5s/day (in 23°C)

RTC support

10 years battery operation life

operating for at least 2 years in case of any power failure

daylight-saving time

15 years

LED&Display

LED

1 Active pulse output;

1 Credit status indicate(two colors)

1 Alarm indicate;

Energy

Active: 6+2 display

Display

Fixed Symbol:

Status of Relay;

OBIS code;

Reverse energy;

Operation success/failure symbol;

Tamper symbol;

Basic Circle Display:

Cumulative energy values;

Voltage;

Current;

Power Factory;

Serial number

Friendly credit;

Number of Purchase;

Type Testing

Basic Type Testing

According IEC62053-21

Prepayment Function

Recharge way

Money

Friendly credit

Support, can be setting through PC software

Media

Token, 20 digital number

AMI function

Remote readout

Daily readout: Total and different tariff energy(kWh)

Real readout: Total and different tariff energy(kWh)

Remote control

Real disconnect/reconnect relay;

Real read relay status;

Modify price remotely

Modify price of different tariff remotely;

Mechanical

Terminal Box

BS Standard

Connection

L1(in) – L1(out) – L2(in) – L2(out) – L3(in) – L3(out) - N(in)-- N(in)

Enclosure protection

IP54

Seal

1 Meter terminal cover seal;

2 Meter cover seal;

Meter Case

Polycarbonate

Against mechanical stroke and shake

IEC62052-11

parts 5.2.2.1, 5.2.2.2 & 5.2.2.3

Dimensions(LxWxH)

290mmx170mmx105mm

Battery

Can replacement

Weight

Approx. 2.288kg