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 |