8121SD9R2GE

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Pushbutton Switches

Pushbutton switches are tactile devices used for input control on retail POS (point of sale) systems, machines and various other devices. Pushbutton switches work in two ways, either as momentary or toggle. Momentary switches activate when pressure is applied before springing back to the off position when the pressure is released. Toggle switches remain in the active position and require a push of the button in the opposite direction to deactivate.

8121SD9R2GE is a type of pushbutton switch and one of the most popular products that has been widely used in many industrial, retail and commercial applications. The 8121SD9R2GE pushbutton switch has many advantages, including a long service life with up to 10 million cycles, fast response time of 0.1-0.15ms, contact rating of 5A at 125V AC, and waterproof and dustproof sealing.

The working principle of 8121SD9R2GE pushbutton switch is simple yet effective. When a button is pressed, it depresses the plunger, which contacts two bottom strips that are connected to two nails pointing up. The two nails press the two conductors of the switch on the top of the plastic cover to make a connection between the two nails, which creates a closed circuit and sends power from the source to the destination. When the button is released, the two nails open the circuit, which breaks the connection.

Applications of 8121SD9R2GE pushbutton switch are diverse and include POS machines, gaming consoles, medical equipment, household appliances, door-lock systems, automotive industry, industrial control systems, vending machines, and much more. This type of switch typically comes in two sizes - the smaller 1.25 inch and the larger 2.25 inch - with a variety of colored buttons.

In conclusion, 8121SD9R2GE is a type of pushbutton switches. They are used in many applications and their working principle is easy to understand. They feature a long service life with up to 10 million cycles, fast response time, and waterproof and dustproof sealing.

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