| Height of the main structure of the substation: | |
| Standard | 2850 mm |
Placement of equipment
Mzb1 (2,4x1,16) 20/160-3"a”
Mzb1 (2,4x1,16) 20/160-3"b”
Mzb1 (1,8x1,1) 20/250 version without MV switchgear
Mzb2 (2,4x1,16) 20/400-3”a”
| 1 | Walls 90 mm thick - standard for 2,4x2,16 substation 60 mm thick - standard for 1,8x1,1 substation |
| 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
| Usable area | 2,4x1,16 | 1,8x1,1 |
| Main structure | 4 200 kg | 3 800 kg |
| Concrete roof | 1 000 kg | 600 kg |
| Usable area | 2,18 m2 | 1,65 m2 |
| Technical parameters / configuration possibilities | |||
| Transformer* (4) Maximum power / dimension | do 160 kVA / 800 x 1050 x 1500 [mm] do 400 kVA / 900 x 1150 x 1600 [mm] (depending on substation type) |
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| Internal arc resistance classification | IAC-AB-16 kA-1s | ||
| Enclosure class | up to 10 (depending on configuration) | ||
| Electrical parameters of switchgears | MV | LV | |
| Rated voltage | up to 25 kV | up to 0,69 kV | |
| Rated current | 630 A | up to 630 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 40 kA | |
| Switchgear** | Type | Maximum number of bays | |
| LV (5) | RN-W | 6 | |
| MV (6) | TPM Kompakt / NONE | 3 (LTL) / without MV switchgear | |
* 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.