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Concrete transformer stations

Transformer stations can be supplied in two different versions, i.e. as walk-in and non walk-in stations, in sizes ranging up to 1250 kVA or 2 x 1250 kVA. Transformer stations can be equipped with:

  • RMU medium voltage switchgear 12–36 kV that does not require pressure relief
  • Low voltage switchboard, Holtab HMS or alternatively with Holtab CMS. 

The concrete transformer stations are made from prefabricated concrete wall panels. Outside surfaces can be stippled, brushed, smooth, exposed, rough or wood imitation.

The stations have a three-degree roof slope as standard. The roof is available in a number of designs, e.g. with a 16-degree pitch, where the roof panels are poured in a matrix to give a roof-tile effect.

 

Technical data, concrete

Checks performed by agreement with Betong och Ballast Certifiering AB (certification body).

 

The elements are produced as follows:  

Concrete:

 

 

Strength class min:

 

 

Reinforcement: 

Performance class L 1

Design class 1

 

k40 w/c ratio ≤ 0.50
Exposure class B2

 

Ks 500 ST, NPS 500
Exposure class A2

 

Concrete:

 

 

Strength class min:

 

 

Reinforcement: 

Performance class L 1

Design class 1

 

k40 w/c ratio ≤ 0.50
Exposure class B2

 

Ks 500 ST, NPS 500
Exposure class A2

 

Concrete:

 

 

Strength class min:

 

 

Reinforcement: 

Performance class L 1

Design class 1

 

k40 w/c ratio ≤ 0.50
Exposure class B2

 

Ks 500 ST, NPS 500
Exposure class A2

 

Exterior finishes

Non-walk-in stations

  • Fitted with RMU medium voltage switchgear that does not require pressure relief.
  • The station can be supplied with a factory-installed, connected transformer.
  • External walls and roofs in many different finishes. • With or without raised floor.
  • Flexible, user-friendly cable installation.
TSBI 1250 • Drawing no. 10234
TSBI 2/1250 • Drawing no. 10235

Walk-in stations

  • Fitted with RMU medium voltage switchgear that does not require pressure relief.
  • The station can be supplied with a factory-installed, connected transformer.
  • External walls and roofs in many different finishes.
  • With or without raised floor.
  • Flexible, user-friendly cable installation.
TSBI 1250 • Drawing no. 10070
TSBI 2/1250 • Drawing no. 10072
TSBO 1250 • Drawing no. 10450
TSBO 2/800 • Drawing no. 10475

Download

You can download manuals and our product catalogue in PDF format:

Gallery

We always seek for the the most tasteful and practical solution possible in each individual case. Look at some examples of exterior design.
Gallery »