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 |
Undervoltage(U<)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 |
Undervoltage(U<)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 current(In, 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