Substation dedicated for emergency power supply, with the possibility of being supplied from an overhead or buried line.
Placement of equipment
MRw 20/630-1

| 1 | Overhead connection |
| 2 | Ventilation louvres IP 23D - standard or IP 43 - option |
| 3 | Doors: solid or with ventilation louvres IP 23D - standard, or IP 43 - option |
| 4 | Transformer |
| 5 | LV switchgear |
| 6 | MV switchgear |
Note!
The catalogue presents example substation configurations.
Technical parameters / configuration possibilities
| Mass / Area | |
| Main structure | 2 400 kg |
| Usable area | 4,73 m2 |
| Technical parameters / configuration possibilities | |||
| Transformer (4) Maximum power / dimension* | 630 kVA / 1000 x 1800 x 1850 [mm] | ||
| Internal arc resistance classification | IAC-AB-16 kA-1s | ||
| Enclosure class | 20 | ||
| Electrical parameters of switchgears | MV | LV | |
| Rated voltage | up to 25 kV | up to 0,69 kV | |
| Rated current | 630 A | up to 1250 A | |
| Rated short-time withstand current | up to 20 kA (1s) | up to 20 kA (1s) | |
| Rated peak withstand current | up to 50 kA | up to 50 kA | |
| Switchgear** | Typ | Maximum number of bays | |
| LV (5) | RN-W | 7 | |
| MV (6) | Rotoblok (700) | 1 (RT1) | |
* Maximum width of the transformer installed through the substation doors.
** Detailed selection of switchgears and their equipment is listed in chapters dedicated to individual devices in the catalogue.
Example layouts of switchgears and corresponding substation configurations are specified in parentheses.
