Basler Electric BE1-50/51B-230 User Manual
Page 59
9252000894 Rev H
BE1-50/51B-230/-234/-239 Characteristic Curves
A-3
Table A-2. Time Characteristic Curve Constants with Switch SW3-3 Closed (On)
Curve
Type
Similar To
Figure
Number
Constants
BE
A
B
C
N
K
R
S
GE IAC 55
A-11
0.0286
0.0208
1.000
0.9844
0.028
0.0940
L
GE IAC 66
A-12
2.3955
0.00002
1.000
0.3125
0.028
7.8001
D
ABB CO-6
A-4
0.4797
0.21359
1.000
1.5625
0.028
0.8750
M
ABB CO-7
A-5
0.3022
0.12840
1.000
0.5000
0.028
1.7500
I
GE IAC 51
A-13
0.2747
0.1042
1.000
0.4375
0.028
0.8868
V
GE IAC 53
A-14
4.4309
0.0991
1.000
1.9531
0.028
5.8231
E
GE IAC 77
A-15
4.9883
0.0129
1.000
2.0469
0.028
4.7742
B
BS142-B∗
A-9
1.4636
0.00000
1.000
1.0469
0.028
3.2500
C
BS142-C∗
A-10
8.2506
0.00000
1.000
2.0469
0.028
8.0000
F
None†
None
0.0000
1.00000
0.000
0.0000
0.000
1.0000
∗
Curves B and C are defined in British Standard BS142 and IEC 255-4 (International Electrotechnical
Commission).
† Fixed time from 0.1 to 9.9 seconds.