Multifunctions monitoring relays (AC voltage monitoring in 3-phase network - 3(N)~ 400/230 V) • Monitoring of phase failure, asymmetry, phase sequence. Type of contacts: 1CO, 2 CO
| Output circuit - contact data |
|
| Number and type of contacts |
1 CO, 2 CO |
| Material contacts |
AgSnO2 |
| Max. switching voltage |
300 V |
| Input circuit: |
|
| Supply voltage AC |
= monitoring voltage |
| Rated power consumptions |
1,2 W |
| Range of supply frequency |
48...63 Hz |
| Measuring circuit: |
|
| Measuring terminals |
(N)-L1-L2-L3 |
| Measured value |
3(N)~, sinus, 48...63 Hz |
| Measuring range |
0,7...1,15 Un |
| Insulation: |
|
| Rated surge voltage |
4 000 V AC 1,2 / 50 μs |
| Insulation rated voltage |
400 V AC |
| Overvoltage category |
III |
| General data: |
|
| Mechanical life (cycles) |
> 3 x 107 |
| Eletrical life - resistive AC1 |
> 0,5 x 105 12A/250 V AC |
| Ambient temperature - operating |
-20...+60 oC |
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