S&C Electric Company

SMD® Power Fuses, Outdoor Transmission

Ratings

Fuse Type kV Amperes, RMS, Symmetrical
Nominal Maximum BIL Maximum Interrupting
60 Hz 50 Hz
SMD-50 34.5
46
69
38
48.3
72.5
200
250
350
100E
100E
100E
6 700
5 000
3 350
6 700
5 000
3 350
SMD-1A 34.5
46
69
38
48.3
72.5
200
250
350
200E
200E
200E
17 500
13 100
8 750
17 500
13 100
8 750
SMD-2C 34.5
46
38
48.3
200
250
300E
300E
33 500
31 500
33 500
31 500
SMD-2B 69
115
138
72.5
121
145
350
550
650 & 750
300E
250E
250E
17 500
10 500
8 750
17 500
10 500
8 750
SMD-3 69 72.5 350 300E 25 000 25 000