Download Print this page

ABB PR512 Manual page 17

Microprocessor-based self-supplied protection relays
Hide thumbs Also See for PR512:

Advertisement

PR512/P (50-51-50N-51N) UNIT
Protection functions
Earth fault external toroid
Protection against earth fault (51N)
Selection of threshold Io> value
Selection of type of Io> curve
Selection of to> trip time
Protection against instantaneous or delayed earth fault (50N)
Selection of Io>> threshold value
Selection of to>> trip time
Rated and setting currents
4
16
16
16
16
17
17
18
18
18
19
15

Advertisement

loading

This manual is also suitable for:

Pr512/pPr 512/pd