... Speed Range: 180-1500r/min IP21S,IP23, IP44 Z4 Series DC Motor are dominant products of our factory. The Industry ... Type: Separate excitation is the basic excitation type of this series motors, Nominal field voltage:180V, Other excitation voltage are also ... frame radially mounted, Spearately powered Ventilating fan, And attached with an air filter, Modes of cooling for motors may be made into three ...