Three Phase Multi-function Energy Meter with RS485 Modbus RTU

Electrical Characteristics

Type of Measurement

RMS on three phase AC system (3P4W)

Measurement Accuracy

Power

1% of range maximum

Active Energy

IEC 62053-21 Class 1.0

Reactive Energy

IEC62053-23 Class 2

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)

Input & Output

Input-Current

Direct Type

Rated Current

10A

Max Current

100A

Min Current

0.5A

Starting Current

40mA

SDM530-Modbus

2 Pulse Output + RS485 Modbus

SDM530-MT

2 Pulse Output + RS485 Modbus

Modbus Communication

Interface Standard and Protocol

RS485 and MODBUS RTU

Communication Address

1~247

Transmission Distance

1000m Maximum

Transmission Speed

1200bps~9600bps

Parity

None (default), Odd, Even

Stop Bits

1 or 2

Mechanical Characteristics

Weight

650g

IP Degree of Protection  (IEC 60529)

IP51 in door

Dimensions (WxHxD)

100x125x65 mm

Mounting Position

Vertical

Material of meter case

Self-extinguishing UL 94 V-0

Mechanical environment

M1

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