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BE1-67N Characteristic Curves
A-1
APPENDIX A
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CHARACTERISTIC CURVES
BE1-67N TIME OVERCURRENT CURVES
BE1-67N time overcurrent curves are illustrated in Figures A-1 through A-12. Table A-1 lists each curve
along with the corresponding characteristic curve selector switch position.
Table A-1. Characteristic Curves and Switch Positions
Switch
Position
Characteristic
Curve
Characteristic Description
Figure
3 B1
Short
Inverse
A-1
1 B2
Long
Inverse
A-2
5 B3
Definite
A-3
2 B4
Moderately
Inverse A-4
4 B5
Inverse
A-5
6 B6
Very
Inverse
A-6
7 B7
Extremely
Inverse A-7
8
E2
Long Inverse (BS 142)
A-8
9
E4
Inverse (1.3 s, BS 142)
A-9
A
E5
Inverse (2.9 s, BS 142)
A-10
B
E6
Very Inverse (BS 142)
A-11
C, D, E, F
E7
Extremely Inverse (BS 142)
A-12
Summary of Contents for BE1-67N
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