

GENERAL FEATURES
- Compact extensible unit combining different kinds of MV functional units to make a ring or radial network, for protecting transformers
- Fuse switch combination up to 1600 KVA
- Fuse switch combination with watch-dog function up to 1600 KVA
- C.B (200A)
- CB (630A) rede CB
* Watch-dog functions are under request
- Line protection with 630A circuit breaker
- Network switching by load break switch
- SCADA mate : remote operation, voltage, current sensor, sensitive zero phase CT’s
- Uses 2 switch LBS and one fuse switch combination with control
- Uses 2 CB and one dummy part with control
* Very fast transfer time – outage time can be below 1 cycle
- Compact : “All in one” units in a single stainless steel enclosure
- Extensible : Extensible to left and or right side without handling gases, no special tools
TECHNICAL DATA
| | | SD MODULE | FS MODULE | CB MODULE |
|---|
| | | Switch | ES | Switch | Down-stream | CB | ES |
| ES |
| Rated Voltage | kV | 17.5/24 | 17.5/24 | 17.5/24 | 17.5/24 | 17.5/24 | 17.5/24 |
| Power frequency withstand | kV | 38/60 | 38/60 | 38/60 | 38/60 | 38/60 | 38/60 |
| Impulse withstand | kV | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 |
| Rated current | A | 630 | | 200/630 | | 200/630 | |
| Breaking capacity | | | | | | | |
| Active load | A | 630 | | | | | |
| Closed loop | A | 630 | | | | | |
| Off load cable charging | A | 200/150 | | | | | |
| Earth fault | A | 115/87 | | | | | |
| Earth fault cable charging | A | | | | | | |
| Short Circuit breaking | A | | | | | 20/12.5 | |
| Transfer | | | | | | | |
| Making capacity | | 50 | 50 | 50 | 12.5 | 50/32.5 | 50 |
| Short time current 1sec | | 25 | | 25 | 5 | 20/12.5 | |
| Short time current 3sec | | 20 | 20 | 20 | | | |
| Operation time | | | | | | | |
| Close | Sec | 0.7 | | <0.045 | | <0.045 | |
| Open | Sec | 0.7 | | <0.045 | | <0.045 | |
| Spring charge | Sec | | | <8 | | <8 |