Description
Voltage measurement and control relays
Voltage measurement and control relays RM35UB330, RM17UB310 and RM35UB3N30
monitor the following, on 3-phase supplies:
| Function | Rated 3-phase | Output supply voltage (V) |
Reference |
| ■ Overvoltage and undervoltage between phases |
220…480 a.c. (phase-phase) |
1 C/O +1C/O 1 per threshold 5A |
RM35UB330 |
| 208…480 a.c. (phase-phase) |
1 C/O 5 A | RM17UB310 | |
| ■ Overvoltage and undervoltage between phases and neutral ■ Absence of neutral |
120…277 a.c. (phase-neutral) |
1 C/O +1C/O 1 per threshold 5A |
RM35UB3N30 |
