Since the lock switch is introduced
Latching switch generally refers to the switch bring mechanical locking function, press down, let go after the button is not completely jump, is locked, need to press again, jumped to unlock completely. It is called the lock switch. Early directly completely power off the TV, a display is to use this switch.
With lamp latching switch with ordinary latching switch the difference only lies in: with lamp switch make full use of its key planted a small space in the indicating lamp or LED, its one end to the zero line, usually by a step-down resistance and other end normally open contact of the switch in parallel, when the switch is closed, the equipment operation but also provide the power indicator light.
Latching switch technology index
-40 ~ 70 temperature range of use: - pressure: AC 250 v (50 hz)/min
Contact: 100 m or more ?