Mzb 20/2x630

Technical parameters, electrical diagram, downloads, a description of the type of container transformer station Mzb 20/2x630 production ZPUE S.A.


Transformer stations variants

The webside presents only exemplary solutions of the container stations.
Thanks to many years of experience and a team of qualified engineers, we are able to prepare solutions corresponding to the needs of the most demanding clients. The best example is in the deliveries for contractors such as: PGE, TAURON, ENERGA, ENEA, RWE, PKP Energetyka, KGHM, KWB Bełchatów, ČEZ, EON, RWE, Alstom and many more.

Station type Mzb 20/2x630

General view of the station type Mzb 20/2x630
General view of the station type Mzb 20/2x630
Top view of the station type Mzb 20/2x630
Top view of the station type Mzb 20/2x630

Diagram of the standard station type Mzb 20/2x630

Schemat standardowej stacji typu Mzb 20/2x630


  1. Optional station equipment is marked in red. oznaczono wyposażenie opcjonalne stacji. More information about the selection of switchgears and their equipment can be found in categories of switchgears LV i MV.
  2. Station can be designed in mirror version.

Configuration options

  Type MV bay number
(LV feeders)
MV switchgear TPM up to 2x4
LV switchgear RN-W up to 2x10
Maximum transformer power up to 2x630 kVA
Housing class - 20


main body: 16 500 kg
concrete roof: 4 500 kg
metal roof: 600-700 kg
usable area: 10,93 m2

Technical data

Stations parameters
   MV LV
Ur - Rated voltage up to 36 kV up to 1000 V
Ir - Rated current up to 4000 A up to 6300 A
IK - Rated short-time withstand current up to 40 kA (3s) up to 105 kA (1s)
IP - Rated peak withstand current up to 100 kA up to 231 kA
fr - Power frequency withstand 50/60 Hz
Maximum transformer power up to 4000 kVA
Protection degree IP23D up to IP43 (IP54)

Stations have been examined with regard to existing standards in accredited European laborato-ries.

Compliance with the standards

  • PN-EN 62271-202 - High-voltage switchgear and controlgear - Part 202: High-voltage/ low-voltage prefabricated substation;
    + related norms

Localization of the station due to fire safety requirements

The mounting area of the station should be chosen in accordance with the regulation of the Minister of Infrastructure of 12 April 2002, with regard to the technical requirements of buildings localization (Journal of Laws of 15 June 2002, No 75, item 690, with later changes) or local regulations.
Individual cases of localization/placing of the station should be considered on an individual basis and consulted with ZPUE S.A. or with other authorized services (opinion given by fire protection officer).

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