Z seriesElectric motor Three phase electric motor Z series electric motor are new products of works developed with latest technology of design and manufacturing, There are seven shaft heights for motors frames ranging form 355-710mm, The ferformance, Outline dimensions and technical specifications of the mtoors conform to the standard of our country(GB) and International Electric Committee(IEC) Working Conditions: 1, It's allowed to install this series motors in the environment with worse working conditions, However propercooling and protection type should be chosen to keep the cleanness of the motors. 2, The cooling air should not contain acid or alkali material, Which is harmful to the insulation and commutating performance of the motors.