User Manual

3RR2 current monitoring relays
4.5 3RR22 current monitoring relays
3UG4 / 3RR2 monitoring relays
64 Manual, 02/2013, NEB927043002000/RS-AA/002
Note
The "current overshoot" or "current undershoot" monitoring mode is defined with the setting
OFF for the upper and lower threshold.
Note
Deactivating monitoring
If the upper and lower threshold values are deactivated (OFF), monitoring will cease for:
• Current overshoot
• Current undershoot
• Blocking current
The following parameters continue to be monitored:
• Fault current (if activated)
• Incorrect phase sequence (if activated)
• Phase failure
The up-to-date measured value is displayed permanently.
The parameters are described in Chapter "Parameters (Page 351)."
Menu-based operation is described in Chapter "Menu-based operation (Page 36)."