... 180-1500r/min IP21S,IP23, IP44 Z4 Series DC Motor are dominant products of our factory. The ... operated on static thyristor controlled supplies. Or from DC generator5, Performances of motors all comply with ... Speed(rpm): 3000, 1000, 750, 600, 500, 400, 300, 200r/m. Total nine grades.Insulation Class: ... negotiated.Modes of cooling for all the Z4 DC motor are separate cooling, Force ventilated, Cooling ...