F1 Fire behaviour Class:Transformers subject to a fire hazard. Restricted flammability is required. The emission of toxic substances and opaque smokes shall be minimised.
E2 Environmental Class:Frequent condensation or heavy pollution or combination of both. Special tests according to the procedure of Clause 26 shall confirm the conformity of E1 or E2 class transformers.
C2 Climatic Class: The transformer is suitable for operation, transport and storage at ambient temperatures down to ?5. Special tests according to Clause 27 shall confirm the conformity of C1 and
C2 class transformers.
NOTE Transformers for outdoor operation should normally be provided with an enclosure or be given other suitable protection.
In the following row , an explanation of the class:
The test for the certification pf these cast resin transformers was been performed in CESI laboratory in Milano following the comlete Cesi conditions in terms of caste Resin Transformer.
Are name for thei C2-E2-F1 class and are all in F class.
CENELEC HD 464 / CENELEC HD 528
CEI EN 60076-11
IEC 60076-11 / IEC 726
IEC 60076-11 / IEC 726 CEI EN 60076-11 CENELEC HD 464 / CENELEC HD 528 |
The cast resin type transformer is one of Hanzhong dry transformer types that is a popular choice for application in commercial, industrial and residential sites. Dry cast resin transformers of 35kV and below are insulated with epoxy resin. The features of cast resin dry type ...
Come From Shaanxi Hanzhong Transformer Co., ltd
Product Description of 33KV Series Cast Resin Dry Type Transformer The dry type transformer is called an epoxy resin dry type transformer dry type cast resin and uses epoxy resin as an insulating material. The high and low voltage windings are made of copper strip (foil). The ...
Come From Yuebian Electric Co.,Ltd.
Resin sand casting is a kind of floor molding process, by mixing the resin with quartz sand and solidification agent, to create the very hard and solid mold. The resulted resin sand casting product will have smooth surfaces, accurate dimensions, and less sand residual and ...
Come From Shanxi Rayforce Manufacture Co., Ltd.