RS485 Modbus Three Phase Panel Mounted Multi-function Panel Meter for Electricity Distribution

Electrical characteristics

Type of measurement

RMS including harmonics on three phase AC system (3P, 3P+N)

Measurement accuracy

Active power

1.0% of range maximum

Reactive power

1.0% of range maximum

Apparent power

1.0% of range maximum

Active Energy

IEC 62053-22 Class 0.5S, IEC 62053-21 Class 1.0

Reactive Energy

1.0% of range maximum to IEC 62053-24

Frequency

0.2% of mid-frequency

Current

0.5% of range maximum

Voltage

0.5% of range maximum

Power Factor

1% of unity (0.01)

THD

2% to 63rd harmonic

Input & Output

Input

Current

Rated Current

5A

Max Current

9999A

Min Current

0.25A

Starting Current

20mA

Voltage

Aux.Power supply

230V L-N AC or 120V~380V DC

Measured Voltage

50V ~ 600V (3P4W)

50V ~480V (3P3W)

Communication

RS485 port

Modbus RTU (RS485)

Type

2-wire half duplex

Baud rate

2400,4800, 9600, 19200, 38400 bps

Address

1 to 247

Pariy

None (default), Even, Odd

Stop Bit

1 or 2

Mechanical Characteristics

Weight

420g

IP Degree of Protection (IEC 60529)

IP51 front display

Dimensions (WxHxD)

96x96X92mm

Panel cut-out

Vertical

Material of meter case

Self-extinguishing UL 94 V-0

Terminals

Shrouded screw-clamp.

Environmental Characteristics

Operating Temperature

-25 to 55°C

Storage Temperature

-40 to  70°C

Humidity Rating

<95% RH at 50 °C (non-condensing)

Pollution Degree

2

Altitude

2000m