ZZJ-800 DC motors are used for metallurgy &hoisting, available for steel rolling ... and electric excavator ZZJ-800 motors are a kind of DC motor used for metallurgy & hoisting, available for steel rolling machine ... , IC063. Drip-proof, single pipe ventilated. IP23S, IC174. Totally enclosed, double pipes ventilated. IP23S, IC015. Drip-proof, self-ventilated. IP23S, IC016 ...