PMX™ Modular Metal-Enclosed Switchgear
Ratings
| kV | Mini-Rupter Switch, Amperes |
Fuse | Short-Circuit, Amperes, RMS, Sym. |
||||
|---|---|---|---|---|---|---|---|
| Nom. | Max | BIL | Main Bus |
Load Dropping |
Type | Amperes Max. | |
| 13.8 | 17.0 | 95 | 600 | 600 | SM-20, SME-20 | 200E |
14 000 |
| SM-4Z, SME-4Z | 200E | 12 500 | |||||
| Fault Fiter | 600 | 25 000 | |||||
| SM-40, SME-40 | 400E | 25 000 | |||||
| SM-5S | 400E | 25 000 | |||||
| 25 | 27 |
125 | 600 | 400 | SM-20, SME-20 | 200E |
12 500 |
| SM-4Z, SME-4Z | 200E | 9 400 |
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| Fault Fiter | 600 | 25 000 | |||||
| SM-40, SME-40 | 400E | 20 000 | |||||
| SM-5S | 300E | 20 000 | |||||
For 50-Hz ratings, consult your nearest S&C Sales Office.
25-kV models equipped with SM-40 Power Fuses or Fault Fiter Electronic Power Fuses are rated 29 kV max.
SMU-20 Fuse Units are available in ratings through 200K as well as 200E amperes.
Rating is 12,500 amperes RMS symmetrical when applied on solidly grounded-neutral systems only with fuses connected by single-conductor, concentric-neutral type cable (or directly coupled) to a transformer or transformers.