Metal push button switch with light and lock button switch has a metal sheet in the middle of the spring fulcrum, spring displacement and plastic bracket aging deformation, the switch is not flexible, can be disconnected after power to see, if it is not plastic parts damaged, may be restored. The neutral line inside the switch is straight through and has nothing to do with the switch components. Therefore, if the switch jumps the air switch, the insulation layer of the neutral line through the switch is damaged. The damaged section can be cut off and rewired. It may also be a short circuit in the foot of the indicator light, rewire it.
Structure of metal button switch with light: indicator light, button riser, reset spring, bridge moving contact, static contact, terminal post.
Usually there are two pairs of contacts per metal button switch. Each pair of contacts consists of a normally open contact NO and a normally closed contact NC. When the button is pressed, the two pairs of contacts act at the same time, the normally closed contact is disconnected and the normally open contact is closed.
Post time: Aug-09-2022