Basler Electric BE1-CDS240 General Information - Manual (Page 21)

Time Delay
Setting Range ................................................................ 0.050 to 600 s
Accuracy ......................................................................... ±0.5% or ±1 cycle, whichever is greater
50T Instantaneous Overcurrent Protection
Pickup
Setting Range
5 Ampere CT ............................................................ 0.5 to 150 A
1 Ampere CT ............................................................ 0.1 to 30 A
Accuracy (50TP, 50TN)
5 Ampere CT ............................................................ ±2% or ±50 mA, whichever is greater
1 Ampere CT ............................................................ ±2% or ±10 mA, whichever is greater
Accuracy (50TQ)
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 Delay
Setting Range ................................................................. 0 to 60 s
Accuracy
50TP, 50TN .............................................................. ±0.5% or ±¼ cycle, whichever is greater, Plus trip
time for instantaneous response (0.0 setting)∗
50TQ ........................................................................ ±0.5% or ±1 cycle, whichever is greater, Plus trip
time for instantaneous response (0.0 setting)∗
∗ Trip Time for 0.0 Delay Setting
50TP, 50TN .............................................................. 1¼ cycles maximum for currents ≥ 5 times the
pickup setting. Three cycles maximum for a
current of 1.5 times pickup. Four maximum for a
current of 1.05 times the pickup setting.
50TQ ........................................................................ 2¼ cycles maximum for currents 5 times the
pickup setting. Three 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
Pickup
Setting Range
5 Ampere CT ............................................................ 0.25 to 10 A
1 Ampere CT ............................................................ 0.05 to 2 A
SEF .......................................................................... 0.01 to 0.05 A
Accuracy
5 Ampere CT ............................................................ ±2% or 0.05 A, whichever is greater
1 Ampere CT ............................................................ ±2% or 0.01 A, whichever is greater
SEF .......................................................................... ±2.5% or 0.0025 A, whichever is greater
Time Delay
Delay Timer
Setting Range .......................................................... 50 to 999 ms
Accuracy .................................................................. ±0.5% or ±½ cycles; whichever is greater plus 2¼
cycles maximum for currents ≥ 5 times 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.
Reset Time ............................................................... Within 1¼ cycles of the current being removed
9365200990 Rev M BE1-CDS240 General Information 1-19