Size 72*72mm Factory Price LCD Display AC Three-Phase Digital Ampere Meter, for Industrial Use

Feature

Measure 3-phase AC current with high-precision.

Provide LCD display and local data query.

Programmable current transformation ratio.

Support RS-485 communications and Modbus-RTU protocol.

Support switch input, switch output and analog output.

Power supply: AC 80V~270V ,AC 220V,AC 380V,AC 100V

There are various choices of dimensions to meet the requirements of different electrical circuit enclosure.

Technical Index

Accuracy Measurement

Current

 class 0.5

Input Measurement

Wiring

3-phase 3-wire,3-phase 4-wire

Rated value

AC 1A,AC 5A

Overload

Sustained: 1.2 times; Instantaneous: 10 times/ 5s

Power consumption

< 0.4VA (per phase)

Impedance

< 2 0 mΩ

Frequency

45 ~ 65 Hz

Power supply

Working range

AC 80V ~ 270V,AC 220V,AC 380V,AC 100V

Power consumption

<4VA

Functional Module

Communication interface

1 loop RS-485 Communication, MODBUS-RTU protocol

Baud rate: 2400 ~ 19200bps, Default: 2400bps

Switching value input

4 loops switching value input, dry joint

Switching value output

3 loops relay output, capability: AC 250V/5A,DC 30V/5A

Transmission output

3 loop analog output: 0/4~20 mA or 0~5/10 V

Environment

Operational environment

-10ºC~+55ºC

Storage environment

-25ºC~+70ºC

Relative humidity

≤93 %,in the place without corrosive gas

Height above sea level

≤2500m

Safety

Insulation resistance

> 100MΩ

AC withstand voltage

AC 2KV

Electro Magnetic Compatibility

Electro-Static discharge

class 4

Electrical Fast 

Transient pulse train

class 4

Electrical surge

class 4

Outline Dimension

External Dimension( mm )

120×120;80×80;96×48;96×96;72×72;48×48;120x60;160x80

Cutout Dimension( mm )

111×111;76×76;92×45;92×92;68×68;45×45;114x56;152x76

Specification Matching

Model

Function

Measurement

Extended Function(Optional)

Display

Cutout 

Dimension

 ( mm )

External 

Dimension

( mm )

3-phase AC

 current

Switch

 input 

Switch 

output

Transmission

 output

Communication 

interface

LED

 LCD

DM-3AA11

√

2

2

1

1

√

-

152X76

160x80

DM-3AA23

√

2

2

3

1

√

-

111X111

120×120

DM-3AA2Y

√

2

2

3

1

-

√

DM-3AA33

√

2

2

3

1

√

-

92X92

96×96

DM-3AA3Y

√

2

2

3

1

-

√

DM-3AA41

√

2

2

1

1

√

-

114X56

120x60

DM-3AA51

√

2

2

1

1

√

-

92X45

96×48

DM-3AA63

√

2

2

1

1

√

-

68X68

72×72

DM-3AA6Y

√

2

2

1

1

-

√

DM-3AA73

√

2

2

1

1

√

-

76X76

80×80

DM-3AA7Y

√

2

2

1

1

-

√

DM-3AA83

√

2

2

1

1

√

-

45X45

48×48

   Note: The number of optional extended functions would be the maximum number we can extend in normal conditions.       

         If you have any special request, please contact with our technical department.