SM & SML Power Fuses for Underground Distribution, Indoor
Ratings
| Fuse Type | kV | Amperes, RMS, Symmetrical | ||||
|---|---|---|---|---|---|---|
| Nominal | Maximum | BIL | Maximum | Interrupting | ||
| 60 Hz | 50 Hz | |||||
| SM-20 | 13.8 25 34.5 |
17.0 27 38 |
95 125 150 |
200E or 200K 200E or 200K 200E or 200K |
14 000 12 500 8 450 |
11 200 10 000 6 760 |
| SM-40 | 4.8 13.8 25 |
5.5 17.0 29 |
60 95 150 |
400E 400E 400E |
25 000 25 000 20 000 |
20 000 20 000 16 000 |
| SM-4Z | 4.8 13.8 25 34.5 |
5.5 17.0 27 38 |
60 95 150 200 |
200E 200E 200E 200E |
17 200 12 500 9 400 6 250 |
13 760 10 000 7 520 5 000 |
| SM-5S | 4.8 13.8 25 34.5 |
5.5 17.0 27 38 |
60 95 150 200 |
400E or 720E 400E or 720E 300E 300E |
27 000 25 000 20 000 17 500 |
27 000 25 000 20 000 17 500 |
| SM-5SS | 13.8 | 15.5 | 95 | 400E | 34 000 | 25 000 |
| Fuse Type | kV | Amperes, RMS, Symmetrical | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Nominal | Maximum | BIL | Maximum | Live-Switching | Interrupting | Fault-Closing, Asym. | |||
| 60 Hz | 50 Hz | One-Time | Two-Time | ||||||
| SML-20 | 13.8 25 |
17.0 27 |
95 125 |
200E or 200K 200E or 200K |
200 200 |
14 000 12 500 |
11 200 10 000 |
22 400 20 000 |
13 000 13 000 |
| SML-40 | 13.8 25 |
17.0 27 |
95 125 |
200E 200E |
200 200 |
12 500 9 400 |
10 000 7 520 |
20 000 15 000 |
13 000 13 000 |