This switch is not an on-off switch for power.
1,The speed controller and the lead wire connector of the motor areconnected and then the plug cord is connected to AC power .When the START/STOPswitch of the controller is switched to START,then it is turn clockwise.
2,If SPEED VOLUME switch of the speed connetroller is turned clockwisenumber of toration of the motor increases and if it is turnde counter-clockwise ,slows down.
3,It is possible to control and designate the speed of the motorbetween 90~1350rpm.
4,If the START/STOP switch of the controller is switched to STOP, themotor stops.
Note:This switch is not an on-off switchfor power.When the motor needs to be stopped for a long time,a separate powersource should be installer and turnned off.