Insulation class of electric motor (Isolation class)

The insulation class defines what kind of material is being used according to temperature operation. Standard motors are manufactured according to Isolation B.

For the insulation class and temperature, please refer to below table,

Performance（℃）       80      95      100       120    145

For example, when customer use insulation paper (polyester) DMD,PMP or other insulation material such as powder, varnish they could consider the motor's insulation class accordingly.

Motor Class B use DMD or PET film, Class N use NMN,  Class F use DMD, Class H use NHN, or Nomex paper.