Switch: micro with roller arm .Pk/10 (TS0150)

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Switch: micro with roller arm .Pk/10 (TS0150) This very sensitive switch with stainless steel spring roller arm is used for sensitive on/ off operation. Specifications: rated 5 A amp 250 V AC. The switch is ideal for many primary technology activities requiring sensitive movement to activate a circuit. It has primary to secondary applications.By virtue of the roller and lever style arm this type of switch is particularly sensitive to small movements. If such a switch is incorporated into a vehicle it can be used to switch off the motorised circuit should the vehicle run into an obstacle. Similarly this switch could sound an alarm should a rain gauge fill to maximum.Try setting up a small plastic cam so that it causes the switch to activate and disengage as the cam rotates slowly past the switch.Make your own simple cam using a cork to which a small piece of round dowel is taped. Only when the dowel touches the switch does it activate.Children will discover many uses for such switches.