11
3
Protection functions 12
Protection against overcurrent (51) 12
Selection of threshold I> value 12
Selection of type of I> curve 12
Selection of t> trip time 13
Protection against instantaneous or delayed short-circuit (50) 13
Selection of I>> threshold value 13
Selection of t>> trip time 14
Rated and setting currents 14
PR512/P UNIT (50-51)