ABB REC650 ANSI Technical Manual page 172

Section 6
Current protection
166
Function
Operate time, directional
Reset time, directional
Critical impulse time
Impulse margin time
Dynamic overreach
Range or value
30 ms typically at 0 to 2 x I
set
20 ms typically at 0 to 10 x I
set
40 ms typically at 2 to 0 x I
set
10 ms typically at 0 to 2 x I
set
2 ms typically at 0 to 10 x I
set
15 ms typically
< 10% at t = 300 ms
1MRK 511 287-UUS A
Accuracy
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Technical manual