Basler BE1-51 - Page 64

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.
Courtesy of NationalSwitchgear.com