Stacja typu Mzb1 20/160
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”a”
Mzb1 (2,4x1,16) 20/160-3"b”
Mzb1 (2,4x1,16) 20/160-3”b”
Mzb1 (1,8x1,1) 20/250 version without MV switchgear
Mzb1 (1,8x1,1) 20/250 version without MV switchgear
Mzb2 (2,4x1,16) 20/400-3”a”
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

Electrical diagram

Schemat elektryczny stacji Mzb1 20/160

Optional equipment was marked with red on the electrical diagram.

Technical parameters / configuration possibilities

Obudowy betonowe Mzb1
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)
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.

Additional information