50bf breaker failure protection (be1-700c), 51 time overcurrent protection (be1-700c), 59p phase overvoltage protection (be1-700v) – Basler Electric BE1-700 User Manual
Page 21: 50bf breaker failure protection (be1-700c) -9, 51 time overcurrent protection (be1-700c) -9, 59p phase overvoltage protection (be1-700v) -9

∗ Trip Time for 0.0 Delay Setting
50TP, 50TN:
2¼ cycles maximum for currents
≥ 5 times the
pickup setting. Three cycles maximum for a
current of 1.5 times pickup. Four cycles maximum
for a current of 1.05 times the pickup setting.
50TQ:
3¼ cycles maximum for currents 5 times the
pickup setting. Four cycles maximum for a current
of 1.5 times pickup. Five cycles maximum for a
current of 1.05 times the pickup setting
50BF Breaker Failure Protection (BE1-700C)
Pickup
Setting Range:
Fixed at 0.5 A for 5 A unit, 0.1 A for 1 A unit
Accuracy:
±10%
Time Delay
Setting Range:
50 to 999 ms
Accuracy:
±0.5% or +1¼, –½ cycles, whichever is greater
Reset Time:
Within 1¼ cycles of the current being removed
51 Time Overcurrent Protection (BE1-700C)
Pickup
Setting Range
5 Ampere CT:
0.5 to 16 A
1 Ampere CT:
0.1 to 3.2 A
Accuracy (51P, 51N)
5 Ampere CT:
±2% or ±50 mA, whichever is greater
1 Ampere CT:
±2% or ±10 mA, whichever is greater
Accuracy (51Q)
5 Ampere CT:
±3% or ±75 mA, whichever is greater
1 Ampere CT:
±3% or ±15 mA, whichever is greater
Dropout/Pickup Ratio:
95%
Time Current Characteristic Curves
Timing Accuracy (All 51 Functions):
Within
±5% or ±1½ cycles, whichever is greater,
for time dial settings greater than 0.1 and
multiples of 2 to 40 times the pickup setting but
not over 150 A for 5 A CT units or 30 A for 1 A CT
units.
See Appendix A, Time Overcurrent Characteristic
Curves, for information on available timing curves.
59P Phase Overvoltage Protection (BE1-700V)
Pickup
Setting Range:
10 to 300 V
Accuracy:
±2% of setting or ±1 V, whichever is greater
Dropout/Pickup Ratio:
98%
Time Delay
Setting Range:
0.050 to 600 s
Accuracy:
±0.5% or ±2.5 cycles, whichever is greater
9376700990 Rev M
BE1-700 General Information
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