This standard specifies the type, basic parameters and dimensions, technical requirements, inspection rules, marking, packaging and warranty period requirements of the YD series (IP44) variable-pole multi-speed three-phase asynchronous motor. This standard applies to YD series (IP44) pole-changing multi-speed three-phase asynchronous motors (frame size 80 ~ 280) (hereinafter referred to as motors). All series of motors derived from this series of motors can also be implemented with reference.
T/SDHIA 06-2022 history
2022T/SDHIA 06-2022 Technical conditions for YD series (IP44) variable-speed multi-speed three-phase asynchronous motors (frame size 80-280)