Self-powered feeder protection
1MDB07217-YN
REJ603
Product version: 3.0
Issued: 2017-011-21
Revision: E
16
ABB
Table 29.
Switch-On To Fault (SOTF) characteristics [ Specifies relay operation when relay is un-energised
condition ]
Parameter
Value (Range)
At minimum value of pick-up current and minimum operate time,
minimum value of tripping time when switch-on to fault
80 ms
Figure 2: Switch-on to fault characteristics of relay REJ603
Note:
1.
Operation time accuracy for protection functions shall be as indicated in Table 22-27 when relay is in energised
condition. The operation time measured when relay is in un-energised condition, shall be as per switch-on to fault
characteristics Table 29 and Figure 2. Please refer application manual for operation time accuracy class
definition of accuracy class.
2.
Please refer application manual for operation time accuracy class definition for IDMT curves.
