622EN95

Series:	*
Part Status:	Obsolete

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Snap Action, Limit Switches 622EN95 Application Field and Working Principle

Snap Action, Limit Switches have been an integral part of electrical systems for many years. The 622EN95 from Omron is a popular model that can be found in many different applications, ranging from low-voltage control panels to high-voltage power lines. This article will look at the 622EN95s application field and working principle, so that you can make an informed decision when using these products.

Application Field

The 622EN95 is a snap action, limit switch, meaning that it will quickly break the electrical circuit when a certain amount of force has been reached. This makes it ideal for applications where a rapid response is needed, such as at start-up conditions, which involve the sudden electrification of a circuit when a button is pressed. It is also commonly used for high-voltage protection and overload detection, as it can be set to monitor too much current or too-high voltage and quickly open the circuit, protecting wiring and electrical components. Lastly, it is also suitable for door and window safety monitoring, being capable of detecting when the doors or windows open or close quickly, alerting workers and preventing accidental lock-outs.

Working Principle

The 622EN95 works by measuring the force that has been applied to its lever in one direction, and then triggering the opening of an electro-mechanical contact if the force is greater than a pre-set threshold. This means that the switch will only open a circuit when a certain level of force has been applied. This is known as \'snap action\'- when the force is applied, the switch quickly (or \'snaps\') opens the circuit, avoiding any sort of lingering voltage or current.This threshold force is determined by the user, and is adjusted through a tiny screw located near the lever. It must be tested carefully, as the 622EN95 could otherwise malfunction if the force threshold isn\'t set correctly.

Conclusion

The 622EN95 from Omron is a versatile snap action, limit switch that can be used to monitor a wide range of electrical systems. It works by quickly breaking an electrical contact when a certain force has been applied, making it ideal for high-speed relay protection, overload monitoring and door/window safety. With the correct adjustment of the force threshold, it is a reliable electrical component that can be used in many different scenarios.

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