Basler BE1-50B-230, Instruction Manual

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9252000894 Rev D BE1-50/51B-230/-234 General Information 1-3
Instantaneous Overcurrent B (50-B) Element
BE1-50/51B-230 Pickup
Setting Range: 1 to 15.9 Aac
Setting increment: 0.1 Aac
Accuracy: Sum of
±
2% and
±
25 mAac
BE1-50/51B-234 Pickup
Setting Range: 0.2 to 3.18 Aac
Setting increment: 0.02 Aac
Accuracy: Sum of
±
2% and
±
5 mAac
Dropout
Dropout occurs at 95% of pickup value.
Time Delay
Fixed at no intentional delay. Appendix A, Characteristic Curves illustrates the characteristic curve for the
50-A and 50-B elements.
Reset Characteristic
Resets within 16 ms of when sensed current decreases below the pickup level.
Current Sensing Input
BE1-50/51B-230
Continuous Rating: 14 Aac
∗
1 Second Rating: 400 Aac
∗
Continuous rating is 14 Aac for temperatures up to 45
°
C. See Figure 1-1 for derating curve.
Continuous Current
Current Sensing Input
0
2
4
6
8
10
12
14
16
-40 -20 0 20 40 60
Ambient Temperature (C)
C
u
rr
ent (A
ac)
Figure 1-1. Current Sensing Input Derating Curve (BE1-50/51B-230)