Voltage monitoring in 3-phase mains
| Meassuring circuit data |
|
| Functions |
monitoring of phase sequence and phase failure |
| detection of reverse voltage |
|
| Time intervals (timing adjustment) |
start-up suppression time (max. 0,5 s) |
| tripping delay (max. 0,35 s) |
|
| LED indicator |
green LED, yellow LED |
| Meassuring circuit |
|
| • terminals |
(N)-L1-L2-L3 |
| • measuring variable |
AC sinus, 48...63 Hz |
| • measuring input |
3(N)~ 400/230 V |
| • overload capacity |
3(N)~ 457/264 V |
| • asymmetry |
fixed, typical value 30% |
| Input circuit |
|
| Supply voltage U |
= measuring voltage, terminals(N)-L1-L2-L3 |
| Rated power consumption |
3(N)~ 342 ... 457 V |
| Rated frequency |
AC: 48...63 Hz |
| Output circuit |
|
| Number and type of contacts |
2 C/O - changeover |
| Rated load AC1 |
5 A / 250 V AC |
| Max. breaking capacity AC1 |
1 250 VA |
| Insulation |
|
| Rated surge voltage |
4 000 V AC |
| Overvoltage category |
III PN-EN 60664-0 |
| Insulation pollution degree |
3 PN-EN 60664-1 |