A-2
BE1-51 Time Overcurrent Characteristic Curves
9137200997 Rev D
Table A-2. Timing Curve Selection Table
Timing Type
Selector
Position
∗
Selector
Position
†
Standard
Curves
Z1, Z2
Fig. No.
Extended
Curves
Z1, Z2
Fig. No.
Standard
Curves
Z3
Fig. No.
Extended
Curves
Z3
Fig. No.
B1 - Short Inverse
3
3
A-1
A-2
A-38
A-39
B2 - Long Inverse
1
1
A-3
A-4
A-40
A-41
B3 - Definite Time
5
5
A-5
A-6
A-42
A-43
B4 - Moderately Inverse
2
2
A-7
A-8
A-44
A-45
B5 - Inverse
4
4
A-9
A-10
A-46
A-47
B6 - Very Inverse
6
6
A-11
A-12
A-48
A-49
B7 - Extremely Inverse
7
7
A-13
A-14
A-50
A-51
B8 - I
2
t
0 0 A-15 A-16 A-52 A-53
C1 - I
2
t with Limit #1
8
—
A-17
A-18
A-54
A-55
C2 - I
2
t with Limit #2
9
—
A-19
A-20
A-56
A-57
C3 - I
2
t with Limit #3
A
—
A-21
A-22
A-58
A-59
C4 - I
2
t with Limit #4
B
—
A-23
A-24
A-60
A-61
C5 - I
2
t with Limit #5
C
—
A-25
A-26
A-62
A-63
C6 - I
2
t with Limit #6
D
—
A-27
A-28
A-64
A-65
C7 - I
2
t with Limit #7
E
—
A-29
A-30
A-66
A-67
C8 - I
2
t with Limit #8
F
—
A-31
A-32
A-68
A-69
E2 - Long Inverse
—
8
A-33
—
—
—
E4 - Inverse (1.3 Sec.)
—
9
A-34
—
—
—
E5 - Inverse (3.0 Sec.)
—
A
A-35
—
—
—
E6 - Very Inverse
—
B
A-36
—
—
—
E7 - Extremely Inverse
—
C,D,E,F
A-37
—
—
—
∗
Timing option Z1 and Z3.
† Timing option Z2 only.