... 4.CE approval OFF-ON switch, Rotary Switch/Cam Switch,Selector Switch 16A, IP20 standard, finger protectionOFF-ON Switch, Rotary Switch/Cam Switch,Selector Switch 16A, IP20 standard, finger protection ... position of ammeter and voltmeter to control the direction of motor and other circuits.4. The switches have 2, 3, 4, 5 ...