| Height of the main structure of the substation: | |
| Standard | 2650 mm |
Placement of equipment
Mzb2"b” 20/630-5"a”
Mzb2"b” 20/630-5"b”
| 1 | Walls, 90 mm thick - standard |
| 2 | Ventilation louvres IP 23D - standard, IP 43 - optional |
| 3 | Doors: solid or with ventilation louvres, IP 23D - standard, IP 43 - optional |
| 4 | Transformer |
| 5 | LV switchgear |
| 5a | AMI cabinet / Smart Grid / telemetry / auxiliary |
| 6 | MV switchgear |
Technical parameters / configuration possibilities
| Mass / area | |
| Main structure | 8000 kg |
| Concrete roof | 2 450 kg |
| Metal roof | 300 - 500 kg |
| Usable area | 5,49 m2 |
| Technical parameters / configuration possibilities | |||
| Transformer* (4) Maximum power / dimension | 630 kVA / 980 x 1550 x 1850 [mm] | ||
| Internal arc resistance classification | IAC-AB-20 kA-1s | ||
| Enclosure class | 10 | ||
| 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 25 kA (1s) | up to 25 kA (1s) | |
| Rated peak withstand current | up to 63 kA | up to 55 kA | |
| Switchgear** | Type | Maximum number of bays | |
| LV (5) | RN-W | 12 (18 if Smart Grid with AMI) | |
| MV (6) | TPM | 5 (TLLLL or WLLLL) | |
* Transformer inserted from above, before the roof is attached.
** 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. The possibility of installing other types and configurations of switchgears should be arranged every time with the substation manufacturer.