Performance characteristics

1. High precision to measure single phase alter-nating current or DC current.

2. Provide the digital tube display, local data query.

3. Current ratio programmable settings.

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

Current level 0.5

Signal input

◆Connection mode of four phase three wire, three phase three line.

◆Rated voltage of AC 1A, AC 5.

◆Over load(Continued)1.2 times, 10times for/5 seconds (instantaneous).

◆Power <0.4VA/phase.

◆Impedance<20mΩ.

◆The frequency fo 45~65Hz.

Auxiliary power supply

◆Working range of AC/DC 80V~270V, AC220V.

◆Power consumption<4VA.

Function module

◆Communication interface 1 way RS-485 communication, Modbus-RTU protocol baud r ate:1200~9600bps, the default  2400bps.

◆Switch input: support 4 stem node input.

◆The switch output: support 3 relay output, capacity: AC 250V/5A, DC 30V/5A.

◆Transmission output: support 3 analog output: 0/4~20mA or 0~5/10V.

Environment

◆Working temperature: -10℃~+55℃.

◆Storage temperature: -25℃~+70℃.

◆Relative humidity is less than 93%, no corrosive gas.

◆Elevation≤2500m.

Safety

◆Insulation resistance>100MΩ.

◆AC withstand voltage AC 2KV.

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◆ESD level 4.

◆Electrical fast transient burst level 4.

◆Surge(impact) level 4.