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RM-MVL

Microcontroller based
3 digit display for operating voltage value
Protect electrical device against overvoltage and undervoltage
Reset/start delay adjustable(5~600s)
Voltage measurement accuracy 1%
Parameters setting by keys
LEDs indication for overvoltage and undervoltage faults
2 Module DIN Rail mounting
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Voltage protector is designed to protect home appliances (refrigerators, air conditioners, washing machines, television, video and audio equipment, etc.) against the unacceptable voltage fluctuations and the effects of the neutral conductor interruption.

Technical data


Rated supply voltage

AC 220V

Operation voltage range

AC 80V~400V

Rated frequency

50/60Hz

Overvoltage(>U)setting range

220~280V

Undervoltage(<U) setting range

140~210V

Hysteresis

2%

>U and <U trip delay

0.5s

Reset/start delay

5s~600s

Voltage measurement accuracy

≤1%(over the whole range)

Rated insulation voltage

400V

Output contact

1NO

Electrical life

105

Mechanical life

106

Protection degree

IP20

Pollution degree

3

Altitude

≤2000m

Operating temperature

-20~55

Humidity

≤50% at 40℃(without condensation

Storage temperature

-30~70


●Default setting

 

 

 

Technical parameter

Setting range

Step

Factory setting

Overvoltage trip value

220V~280V

1V

270V

Undervoltage trip value

140V~210V

1V

170V

Reset/start delay

5s~600s

1s

5s


Current specification

15A

25A

32A

50A

63A

Rated operating current(ln,A)

15

25

32

50

63

Maximum operating current lmax ( A ,within 10min)

25

30

40

60

80

Max. power of load(kW)

3.6

5.5

7

11

13.9


Front panel



Function digram


Symbol



Wiring diagram



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