M21 | Fuse switch-disconnector | 400A – 800A
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Description
Switch-disconnectors with fuses available from 160A to 800A in 3P – 3P+N (according to models) & 4P upon request. They combine in a compact unit the function of a switch-disconnector with the protection against overloads and short-circuits given by the fuses. Protection against accidental over voltages in equipments connected between phase and neutral (our standard 3P+N) whit advanced switched neutral pole (early make – late break).
Codes
| Amp. | Fuse | Size | Connection | 3P | 3P+N |
| 400 | NH2 | 2 | Terminal | M2104003PSD20 | M2104003NSD20 |
| 315 | BSB1-B3 | 2 | Terminal | M2103153PSB40 | M2103153NSB40 |
| 400 | BSB1-B4 | 2 | Terminal | M2104003PSB50 | M2104003NSB50 |
| 630 | NH3 | 3 | Terminal | M2106303PSD30 | M2106303NSD30 |
| 800 | NH3 | 3 | Terminal | M2108003PSD30 | M2108003NSD30 |
| 630 | BSC1-C2 | 3 | Terminal | M2106303PSB70 | M2106303NSB70 |
| 800 | BSC1-C3 | 3 | Terminal | M2108003PSB80 | M2108003NSB80 |
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Fuse switch-disconnectors
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