欧美一区二区三区四区国产边添边摸边做边爱,999久久狠狠免费精品,国产成人精品久久亚洲高清不卡,以及吃你的小扇贝视频,99国产情在线视频,久99久热精品,91精品国产自产91精品,国内精品久久久久久影院

Summarization:
YD series multispeed motor is the production derived from Y series motor. The series had the characteristic of changing power and rotation speed freely responding to various overload, thus reaching reasonable matching, this is important to pedigesting speed-changing system and saving energy.
YD series motor is widely used to various all-purpose combined special machine tool such as mine、metallurgy、spin and various driving framework needing changing speed.

Working condition:
The motor can work on the rated power continuously under the following condition:the altitude is no more than 1000m and the environmental air temperature is no more than +40℃.
Rated Volt：380V
Rated Frequency：50Hz
Working System：S1
Insulation Grade：B
Protection Grade：IP44
Cooling Type：IC 411