What is the normalinsulation class of the motor you receive ?
你所维修过的电机的绝缘等级一般是多少？
2
NOTE 2 Failure of basic insulation is not considered likely to occur in normal use.
注2：不考虑在正常使用中可能发生的基本绝缘失效。
3
Attention: when uses large capacity or the reinforced insulation to the normal product, should add "J" or "Q" behind the product model letter for expressing.