What Are Micro Switches Used for?
WHAT IS A MICRO SWITCH?
Microswitches are electrical switches operated mechanically that open and close sets of shifting contacts inside an electrical unit.
HOW DOES A MICRO SWITCH WORK?
Equipped with an actuator/ plunger and terminals, it snaps into action in case of alterations in the electrical unit by way of a spring and a stiff metal strip.
The metal strip moves back and forth in response to any changes out of the ordinary. The common terminal is usually connected to power. Subsequently, power runs through the switch. As power passes by, the spring is energized. It sends off power to the close pin. Once this is done, power is transferred to the open pin.
WHERE WOULD YOU FIND A MICROSWITCH?
AS A SAFETY DEVICE
Given their small, compact sizes, the reliability and durability, it offers, they are usually used in electrical appliances as safety devices. These inexpensive sources of safety can open or close a circuit as and when needed. Thus, it can prevent a machine from being jammed or a door from opening or closing when it is not supposed to.
COMMON APPLICATIONS OF A MICRO SWITCH
You may find it in the following everyday things:
Door interlocks
Microwave ovens
Detecting paper jams in printers
Elevators
Levelling devices in vending machines, etc.
They can be used at homes, and in industrial equipment as levelling devices, safety switches, in control circuits, and precise equipment as well.
AS SAFETY SWITCHES
The most common example can be observed in an elevator. You might have seen call buttons and alarms in an elevator. Well, they are all an application of microswitches.
Push buttons, call buttons, alarms, etc. are buttons that may be pressed to tip off the concerned authorities in instances of emergencies.
They are also used for security purposes to prevent damage and fraud in control panels, card readers, and infrared detection alarm, etc.
Furthermore, they are used in security cameras. They facilitate turning in the security cameras and stop immediately the camera is in the extreme of the range of motion.
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