Transformer

S11 Oil-Immersed Power Transformer

Oil-immersed power distribution transformers with a 0.4 kV low-voltage winding. The 10 kV-class S11-M range offers a fully sealed tank and capacity ratings from 30 to 2500 kVA.

Technical overview

Technical Parameters

Ratings are configuration options and cannot be combined independently. The selected model, electrical duty and installation conditions are confirmed together before ordering.

S11 Transformer technical parameters
Product rangeS11 / fully sealed S11-M configurations
Capacity range30–2500 kVA; discrete ratings
Voltage class10 kV class
High-voltage winding options6 / 6.3 / 10 / 10.5 / 11 kV
Low-voltage winding0.4 kV
Rated frequency50 Hz
Normal installation altitudeUp to 1000 m

Construction & configuration

Product Features

  • Copper windings and a silicon-steel magnetic core.
  • Transformer oil provides electrical insulation and transfers heat to the tank.
  • The S11-M configuration uses a fully sealed corrugated tank.
  • Capacity and winding voltages are selected together for the distribution system.

Where it is used

Typical Applications

Selection depends on the system voltage, load, circuit duty and installation conditions.

  • Power distribution
  • Industrial power supplies
  • Building power infrastructure
Project enquiries

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