Performance characteristics

1. High precision measurement of three- phase AC voltage

2. Provide the digital tube display, local data query

3. Programmable voltage ratio

4. Support for RS- 485 communication, Modbus-RTU protocol

5. Support for switching input, output, analog quantity transmitting output

6. Auxiliary power supply: AC/DC 80V~270V,AC220V

7. A variety of shapes, to meet the different req-uirements of the cabinet body electric circuit

Technical index

Accuracy of measurement

Voltage :class 0.5

Auxiliary power supply

Working Voltage : AC/DC 80V~270V, AC220V 

Power consumption : <4VA

Function module

Communication interface 1 way RS-485 communication,Modbus-RTU protocol 

baud rate:1200~9600bps, the default 2400bps

Switch input: support 4 steps node input

Switch output: support 3 relay output, capacity: AC 250V/5A, DC 30V/5A

Transmission output: support 3 analog output: 0/4~20mAor 0~5/10V

Environment

Working temperature: -10℃~+55℃

Storage temperature: -25℃~+70℃

Relative humidity is less than 93%, no corrosive gas

Altitude: 2500m

Safety

Insulation resistance>100MΩ

AC withstand voltage AC 2KV

Electromagnetic compatibility

ESD : Class 4

Electrical fast transient burst : Class 4

Surge(impact): Class 4

Signal input

Connection mode : Three phase four line, three phase three line 

Rated voltage : AC 57.7V AC 100V AC 220V AC380V

Over load : 1.2 times(Continued), 2 times/second (instantaneous)

Power : <1VA/phase

Impedance : >300KΩ

Frequency : 45~65Hz

Outline dimensions