124 S&C Instruction Sheet 461-504
Appendix A
Fuse Link
Ampere Rating
K-Speed T-Speed QA/QR KS
NE
(N-Speed
McGraw-
Edison)
NK
(N-Speed
Kearney)
ST
① CO①
6K 6T 3QR 10KS 5NE 5NK 5ST 101CO
8K 8T 5QR 15KS 8NE 7NK 7ST 102CO
10K 10T 7QR 20KS 10NE 10NK 10ST 103CO
12K 12T 8QR 25KS 15NE 15NK 15ST
15K 15T 10QR 30KS 20NE 20NK 20ST
20K 20T 15QR 40KS 25NE 25NK 25ST
25K 25T 20QR 50KS 30NE 30NK 30ST
30K 30T 25QR 65KS 40NE 40NK 40ST
40K 40T 30QR 80KS 50NE 50NK 50ST
50K 50T 40QR 100KS 60NE 65NK 65ST
65K 65T 50QR 125KS 75NE 80NK 80ST
80K 80T 60QR 150KS 85NE 100NK 100ST
100K 100T 75QR 200KS 100NE 125NK 125ST
140K 140T 100QR 125NE 150NK 150ST
200K 200T 125QR 150NE 175NK
200ST
150QR 200NE 200NK
175QR
200QR
Type H
Inverse
Segment
Definition Coil Rating
H-A
●
Type H, A curve 5A, 10A, 15A, 25A, 35A, 50A
H-B Type H, B curve 5A, 10A, 15A, 25A, 35A, 50A
H-C Type H, C curve 5A, 10A, 15A, 25A, 35A, 50A
Hydraulic Recloser
Type 4H, V4H
Inverse
Segment
Definition Coil Rating
(V)4H-A
●
Type 4H or Type V4H, A curve
5A, 10A, 15A, 25A, 35A,
50A, 70A, 100A, 140A, 200A
(V)4H-B Type 4H or Type V4H, B curve
5A, 10A, 15A, 25A, 35A,
50A, 70A, 100A, 140A, 200A
(V)4H-C Type 4H or Type V4H, C curve
5A, 10A, 15A, 25A, 35A,
50A, 70A, 100A, 140A, 200A
Type L
Inverse
Segment
Definition Coil Rating
L-A
●
Type L, A curve
25A, 35A, 50A, 70A, 100A,
140A, 200A
L-B Type L, B curve
25A, 35A, 50A, 70A, 100A,
140A, 200A
L-C Type L, C curve
25A, 35A, 50A, 70A, 100A,
140A, 200A
L-D Type L, D curve
25A, 35A, 50A, 70A, 100A,
140A, 200A
Type V4L, V4E
Inverse
Segment
Definition Coil Rating
V4L(E)-A
●
Type V4L or Type
V4E, A curve
15A, 25A, 35A, 50A,
70A, 100A, 140A,
200A
V4L(E)-B
Type V4L or Type
V4E, B curve
15A, 25A, 35A, 50A,
70A, 100A, 140A,
200A
V4L(E)-C
Type V4L or Type
V4E, C curve
15A, 25A, 35A, 50A,
70A, 100A, 140A,
200A
V4L(E)-D
Type V4L or Type
V4E, D curve
15A, 25A, 35A, 50A,
70A, 100A, 140A,
200A
Type E
Inverse
Segment
Definition Coil Rating
E-A
●
Type E, A curve
5A, 10A, 15A, 25A,
35A, 50A, 70A, 100A
E-B Type E, B curve
5A, 10A, 15A, 25A,
35A, 50A, 70A, 100A
E-C Type E, C curve
5A, 10A, 15A, 25A,
35A, 50A, 70A, 100A
E-D Type E, D curve
5A, 10A, 15A, 25A,
35A, 50A, 70A, 100A
Type 4E
Inverse
Segment
Definition Coil Rating
4E-A
●
Type 4E, A curve
50A, 70A, 100A,
140A, 200A
4E-B Type 4E, B curve
50A, 70A, 100A,
140A, 200A
4E-C
Type 4E, C
curve
50A, 70A, 100A,
140A, 200A
4E-D
Type 4E, D
curve
50A, 70A, 100A,
140A, 200A
Type DV
Inverse
Segment
Definition Coil Rating
DV-A
●
Type DV, A curve 100 A, 140 A
DV-B Type DV, B curve 100 A, 140 A
DV-C Type DV, C curve 100 A, 140 A
DV-D Type DV, D curve 100 A, 140 A
DV-E Type DV, E curve 100 A, 140 A
① ST curves are S&C Standard Fuse emulation curves.
CO curves are S&C Coordinating Fuse emulation curves.
● Curves are available that emulate both the Maximum
Clearing Time and the Average Clearing Time.