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Cast Resin Transformers

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Cast Resin Transformers - Image 2
Cast Resin Transformers - Image 3

Cast Resin Transformers

The transformers with an iron core, high voltage and low voltage windings which are completely
embedded in cast resin, and cooling channels formed inside the cast resin body which holds and insulates the
windings.

A cast resin transformer is known from Magnetic Control Transformers, wherein all windings of a polyphase
current system are enclosed in a cast resin block, which on one hand has perforations for holding the legs of
an iron core, and on the other hand has recesses in front of the end faces of the windings for holding an upper and
a lower yoke. In such an apparatus, the recesses which hold the yokes are water-tightly closed to the outside by
caps. Because there is no cooling provided inside the coil and inside the core, transformers of this type of
construction are limited to relatively small nominal power applications.

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FEATURES
-Minimal Fire Risk
-No Cooling Liquids
-Easier Maintenance
-Lower Operating Cost
-Simplicity of Installation
-Advantages of IP and NEMA Enclosures
-Possibility of Significant increase in performance
-High Short time overload capacity
-High Reliability
-Versatility and Performance
-Available in all NEMA & IP Enclosure Models
(Up to NEMA 4X)

All of our transformers are manufactured in compliance
with IEC 60076-11, NEMA ST 20, IEEE C57.12.01, SABIC and
Aramco standard and in particular meet the requirements for
climatic (C), environmental (E) and fire (F) classes:

Climatic Class C2
Transformers suitable for working, transportation and storage
at temperatures down to -25°C.

Environmental Class E2
Transformers suitable for working in environment where they
can be subject to frequent condensation, heavy pollution or a
combination of the two.

Fire Behavior Class F1
Transformers exposed to a fire hazard. They are characterized
by restricted inflammability, low emission of toxic substances
and opaque fumes.

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