RCV Slewing Control Block for Tower Crane

                                       Crane Electric Parts: RCV Slewing Control Block for Tower Crane     RCV slewing controller is a kind of tower crane slewing control device combined speed and voltage regulation and  eddy current speed controling. The RCV slewing control block control the speed of eddy current torque motor to make the tower crane slewing mechanism start, working and stopping smoothly. This slewing controller is used to  regulate and control the speed of  three-phase torque motor of AC 50Hz, voltage 380V. Parameter of Tower Crane Slewing Controller  Model RCV-4 Working tempereture -5℃ ~ +40℃ Air humidity  Max.50%(40℃），M…