| Height of the main structure of the substation: | |
| Standard | 2650 mm |
| Optional | 2400, 3000 mm |
| Substations may be made in variants: | |
| Length | 3150 mm / 3800 mm / 4200 mm / 4700 mm |
| Width | 2600 mm / 3000 mm |
| Above dimensions are valid for 90 mm thick walls. For 120 mm walls, for every dimensions 60 mm should be added. | |
Placement of equipment
Mzb2 (3,15x2,6) 20/1600-4
Mzb2 (3,8x3) 20/2500-4
Mzb2 (4,2x3) 20/4000-3
| 1 | Walls, 120 mm thick - standard, 90 mm - optional |
| 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 (without transformer) / Area | |
| Main structure | 9 500 - 22 000 kg |
| Concrete roof | 3 200 - 5 200 kg |
| Metal roof | 350 - 800 kg |
| Usable area | 7,19 - 12,75 m2 |
| Technical parameters / configuration possibilities | |||
| Transformer* (4) Maximum power / dimension | 4000 kVA (nN 0,8 kV) 2500 kVA (nN 0,4 kV) |
||
| Internal arc resistance classification | IAC-AB-20 kA-1s | ||
| Enclosure class | up to 10 (depending on configuration) | ||
| Electrical parameters of switchgears | MV | LV | |
| Rated voltage | up to 25 kV | up to 0,8 kV | |
| Rated current | 630 A | up to 4000 A | |
| Rated short-time withstand current | up to 25 kA (1s) | up to 85 kA (1s) | |
| Rated peak withstand current | up to 63 kA | up to 187 kA | |
| Switchgear** | Type | Maximum number of bays | |
| LV (5) | RN-W | 20 (width 2600) / 24 (width 3000) | |
| ZR-W | 16 (width 2600) / 20 (width 3000) | ||
| MV (6) | TPM | 6 (e.g. LLLLLW for width 2600) 7 (e.g. TLLLLLL for width 3000) |
|
| Rotoblok SF (500) | 4 (width 2600) / 5 (width 3000) | ||
* Transformer inserted from above, before the roof is attached.
** SDetailed 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.