Key switch is mainly refers to light touch switch, is an electronic switch, also some people call light touch switch button switches, belongs to the electronic class, first appeared in Japan [call: sensitive switch], when used to meet the operating force conditions of the pressure switch in the direction of switch operation function is closed connected, when undo pressure switch is disconnected, its internal structure is accomplished by metal shrapnel force change on and off.

The key switch also subsets the mechanical key switch with the lock, and the self-locking and unlocking switch of the XKB XKB can keep the long pass and the long break, so as to realize the work and stop of the whole circuit.

      Button switch of naming all specifications of each model will have different useful KFT/KFC, star brand of key switch at the beginning for XKB, such as no. 5.8 X5.8 department type specifications below XKB5858 - X self-locking for Z substitution unlocked is W

     Button switch product widely USES have a color TV set, a black-and-white TV, audio equipment, video recorders, cameras, computers, game consoles, fax machines, walkie-talkie, batons, machine tool control unit, photocopying, printers, electronic instruments, meters and other home appliances.