Product Show

RM-FV

Microcontroller based
3 digit display for operating voltage value
Protect electrical device against overvoltage and undervoltage
three phase asymmetry and incorrect phase sequence.
Reset/start delay adjustable(5~600s)
Parameters setting by keys
LEDs indication for faults
3 Module, DIN Rail mounting
Send Inquiry Today

RM-FVA is designed to measure voltage and current fluctuation in three phase network system. When voltage is higher or lower than set values, the device will disconnect load.If current is higher than set value, the device will protect.

Technical data


Rated supply voltage

AC220V

Operation voltage range

AC100V~400V

Rated frequency

50/60Hz

Overvoltage(U>setting range

220~280V

UndervoltageU<setting range

140-210V

Hysteresis

>U:5V; <U:3V

Reset/start delay

Ts:5s~600s

Overcurrent faults trip delay range

Ta:5s~600s

Overvoltage(U>) trip delay

<0.5s

UndervoltageU<trip delay

≥120V:0.5s,<120V: 0.1s

Overcurrent(l>) trip delay

ln<lr *<lmax:Ta; Ir≥lmax:≤o.1s

Voltage measurement accuracy

2%(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 current value


Technical parameter

Setting range

Step

Factory setting

Overvoltage trip value

220V-280V

1V

250V

Undervoltage trip value

140V-210V

1V

170V

Reset/start delay

5s~600s

1s

5s

Overcurrent faults trip delay

5s~600s

1s

90s

Current specification

25A

32A

40A

50A

63A

Rated operation currentIn, A)

1-25

1-32

5-40

5-50

5-63

Maximum operating current Imax (A, within 10min)

32

40

50

60

80

Max. power of load(kW)

5.5

7

8.8

11

13.9

Maximum wire size(mm2)

6

8

10

16

16


Front panel



Function diagrams



Symbol


                             


Wiring diagram


© 2022 Yueqing Reletek Electric Co., Ltd. 浙ICP备15034035号-1 XML 网站地图