KW(JW)series micro-switch is suitable for using in each kind of control circuit with the rated voltage less than 250vand rated current less than 20A (DC and AC effective value)for controlling elements, it is the sense switch with the certain movement strength through the certain trave ling to cause the electronic contact speed but to transform the electric circuit, it has small gap, instantaneous movement and small trave ling characteristics, it is widely used in electronic products, instrument measuring appliance and domestic electric appliances and so on, For example: Computer mouse, aut omobile electronic products, communication equipment, war industry product, measuring instrument, fuel gaswaterheater, coal gas stove, small household electrical appliances and so on.