wound motor speed control device achieve the purpose of regulating ... the motor rotor resistance wound motor speed control device I, mainly features:1. Starting current is ... and installation and maintenance are convenient.II, Application:Applicable to three-phase AC 380V 660V, 3KV, 6KV,10KV ... asynchronous motor soft starter and control surging currentIII, How to order,1, Model of motors, rated power, ...