3UI23 frame size 120*120 low price three phase AC LED digital combination meter, for distribution box

Feature

•Measure three phase voltage, three phase current, active power, reactive power, apparent power, power factor and frequency with high-precision.

•Provide LED display and local data query.

•Programmable current and voltage transformation ratio.

•Support RS-485 communications and Modbus-RTU protocol.

•Support switch input, switch output and analog output.

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

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

Technical Index

Accuracy Measurement

current

 class 0.5

Voltage

 class 0.5

active power

 class 0.5

reactive power

 class 0.5

power factor

 class 0.5

frequency

 ±0. 02Hz

Input Measurement

Wiring

3-phase 3-wire,3-phase 4-wire

Rated current

AC 1A,AC 5A

Rated voltage

AC 57.7V,AC 100V,AC 220V,AC 380V

Overload

Voltage:Sustained:1.2times;Instantaneous:2times/1s

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

Power consumption

Voltage: <1VA (per phase),Current: <0.4VA (per phase)

Impedance

Voltage: >300KΩ , Current: <20mΩ

Frequency

45~65Hz

Power supply

Working range

AC 80V~270V,AC220V,AC380V,AC100V

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

Environment

Operational environment

-10℃~+55℃

Storage environment

-25℃~ +70℃

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 

current

3-phase 

voltage

active 

power

reactive

 power 

power 

factor

frequency

Switch

 input 

Switch 

output

Transmission 

output

Communication 

interface

LED

LCD

ME-3_ _ _11

arbitrary combined function

2

2

1

1

√

-

152X76

160x80

ME-3_ _ _23

arbitrary combined function

2

2

3

1

√

-

111X111

120×120

ME-3_ _ _2Y

arbitrary combined function

2

2

3

1

-

√

ME-3_ _ _33

arbitrary combined function

2

2

3

1

√

-

92X92

96×96

ME-3_ _ _3Y

arbitrary combined function

2

2

3

1

-

√

ME-3_ _ _41

arbitrary combined function

2

2

1

1

√

-

114X56

120x60

ME-3_ _ _51

arbitrary combined function

2

2

1

1

√

-

92X45

96×48

ME-3_ _ _63

arbitrary combined function

2

2

1

1

√

-

68X68

72×72

ME-3_ _ _6Y

arbitrary combined function

2

2

1

1

-

√

ME-3_ _ _73

arbitrary combined function

2

2

1

1

√

-

76×76

80×80

ME-3_ _ _7Y

arbitrary combined function

2

2

1

1

-

√

ME-3_ _ _83

arbitrary combined function

2

2

1

1

√

-

45×45

48×48

ME-_ _ _11

arbitrary combined function

2

2

1

1

√

-

152X76

160x80

ME-_ _ _23

arbitrary combined function

2

2

3

1

√

-

111X111

120×120

ME-_ _ _2Y

arbitrary combined function

2

2

3

1

-

√

ME-_ _ _33

arbitrary combined function

2

2

3

1

√

-

92X92

96×96

ME-_ _ _3Y

arbitrary combined function

2

2

3

1

-

√

ME-_ _ _41

arbitrary combined function

2

2

1

1

√

-

114X56

120x60

ME-_ _ _51

arbitrary combined function

2

2

1

1

√

-

92X45

96×48

ME-_ _ _63

arbitrary combined function

2

2

1

1

√

-

68X68

80×80

ME-_ _ _6Y

arbitrary combined function

2

2

1

1

-

√

ME-_ _ _73

arbitrary combined function

2

2

1

1

√

-

76×76

80×80

ME-_ _ _7Y

arbitrary combined function

2

2

1

1

-

√

ME-_ _ _83

arbitrary combined function

2

2

1

1

√

-

45×45

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.