PS21L-NS11R1-M00

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Snap Action, Limit Switches and PS21L-NS11R1-M00

Snap action, limit switches, such as PS21L-NS11R1-M00, are electromechanical drivers that are used to control and indicate the position of objects or machines. Such switches are switching elements with a single or dual contacts that are designed to limit or stop the motion or operation of the object or machine. Depending on their design, they can be used as fail-safe, manual, or even an automatic control device.

Application Field of PS21L-NS11R1-M00

The PS21L-NS11R1-M00 snap action limit switch is a universal type switch for mounting in any position and for various uses. Commonly applied in industrial machines, the switch is widely used for home appliances, such as air conditioners, dishwashers, washing machines, cookers, steam irons, and electric kettles. It is also suitable for office equipment, vending machines, and medical equipments. The PS21L-NS11R1-M00 is rated with a ten-ampere current range (AC-15) with appealing price and quality. Its tightness IP67 protection level enables the switch to be dustproof and waterproof and resistant to external influences.

Working Principle of PS21L-NS11R1-M00

The PS21L-NS11R1-M00 operates on the principle of a spring loaded plunger toggle. When the actuator is mechanically operated, the plunger is accelerated and its force is used to move a lever arm connected to a set of switch contacts. This action forces the switch to quickly toggle between its different states of on/off. In addition, the switch has a raised lower platform surrounding the plunger that helps to ensure its latching properties, so that a compressed plunger releases energy when decoupling which causes the raised lower platform to interfere with the ball of the plunger and keep it from coming off the switch.

In addition to its latching properties, the PS21L-NS11R1-M00 also features a snap switch which is activated when the plunger reaches a certain speed when it is pressed. This helps to ensure that the switch is triggered accurately and reliably and prevents the contacts from bouncing between their open / closed positions. The snap switch is also designed to break or make contact at a specific angle, which can be adjusted by rotating the adjustment nut.

Conclusion

The PS21L-NS11R1-M00 snap action limit switch is a versatile and reliable switch suitable for a wide range of applications. Its latching and snap switching characteristics help to ensure that the switch can be triggered accurately and reliably, making it an ideal solution for various industrial, home appliance and office equipment applications.

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