What are insulation classes? Tell examples of each of them.
Answer / k.prakashchandra
Classification based on max allowable working temp 1. A
-1o5'C -oil ,bitumen 2.B -130'C-polyester film, mica 3.C
-above 180'-quartz, porcelain 4.E-120'-glass cloth,resin
5.F-155'-mica, glass, asbestos 6,H-180'-silicone rubber,
composite mica 7.Y-90'-wood,cotton
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