Description

The overall and mounting dimensions, insulation class, degree of protection and method of cooling of the YD series motors are same as the general purpose electric motors, The mounting dimensions are in fully conformity with the IEC and DIN****3 standards, The rated output, starting performance, efficiency and power factor are close to the world advanced level. For such motors, there are many distinguished features, small size, light weight, satisfactory performance, easy to control and reliable in operation, The pole-changing motors are suitable for driving general purpose or special combination machine tools, blowers, pumps and other kinds of devices whose speed needs to be changed.