This standard specifies the types, basic parameters and dimensions, technical requirements, inspection rules, and requirements for marking, packaging and warranty period of YR series (IP44) wound-rotor three-phase induction motor.
This standard is applicable to YR series (IP44) wound-rotor three-phase induction motor (frame size 132~315) (hereinafter referred to as "motor"), and all other series motors derived from YR series (IP44) wound-rotor three-phase induction motor may also refer.