Digital Meter

Performance Characteristics

1.High precision measurement of three-phase AC/DC current

2.Provide the digital tube display, local data query

3.Programmable CT ratio

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

5.Support for switch input, output, analog transmitting output

6.Auxiliary power supply:AC/DC 85V~265V, AC220V, AC380V, DC48V, DC 24V

7.A variety of dimensions to meet the different requirements of the electric distribution box.

Technical Index

Accuracy of measurement

current level 0.5

Signal input

Connection mode: Three phase four wires,three-phase three wires.

Rated current:AC1A,AC5A.

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

Power consumption :Current :<0.4VA/ phase

Impedance:current: <20mΩ

The frequency: 45~65Hz or DC

Auxiliary power supply

Working range : AC 220v

Power consumption:<4VA

Function module

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

Baud rate: 1200~9600bps, the default is 2400bps

Switch input:4 ways

Switch Output:3 ways(capacity: AC 250V/5A, DC 30V/5A)

Transmission output: 3 ways ( analog output: 0/4~20mA or 0~5/10V)

Section of Specification

Function

.         Model No.

measurement

Extended function(optional)

Display

Three phase AC

current

switching input

switching output

Analog output

Communication interface

LED

LCD

RH-3AA23

2

2

1

1

-

RH-3AA2Y

2

2

1

1

-

RH-3AA33

2

2

1

1

-

RH-3AA3Y

2

2

1

1

-

RH-3AA63

2

2

1

1

-

RH-3AA6Y

2

2

1

1

-

RH-3AA73

2

2

1

1

-

RH-3AA7Y

2

2

1

1

-

RH-3AA83

2

2

1

1

-






Please note the above in our normal function ,please contact us for customizing special products.