Micom P631, Technical Manual, Page: 45 / 638

2.8 Settings – Typical Characteristic Data
2.8.1 Main Function
●
Minimum output pulse for trip command: 0.1 to 10 s (adjustable)
●
Minimum output pulse for close command: 0.1 to 10 s (adjustable)
2.8.2 Differential Protection
●
Operate time including output relay:
■
≤ 16 ms without inrush stabilization or I
diff>
, I
diff>>
■
≤ 32 ms with inrush stabilization
●
Reset time (measured variable from fault infeed to 0): ≤ 30 ms, approx.
25 ms
2.8.3 Definite-Time and Inverse-Time Overcurrent Protection
●
Operate time including output relay (measured variable from 0 to 2-fold
operate value):
≤ 40 ms, approx. 30 ms
●
Reset time (measured variable from 2-fold operate value to 0): ≤ 40 ms,
approx. 30 ms
●
Starting resetting ratio: approx. 0.95
2 Technical Data
P631
P631/EN M/R-11-C // P631-310-650 2-17