U31MDAV2QE

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1. Introduction to Toggle Switches

Toggle switches are used to switch on and off electrical appliances, lighting, solenoids, etc. Toggle switches typically actuate a mechanical lever or rocker, thereby making or breaking the electrical circuit. Sometimes, a mechanical back-up switch is also used to increase longevity of the switch. Toggle switches range from basic single pole, single throw switches to complex multi-pole, multi-throw switches. Depending on the switching mechanism, toggle switches can be subdivided into three categories: mechanical, solid-state, and hybrid switches.


2. U31MDAV2QE Application Field and Working Principle

The U31MDAV2QE is a single-pole, double-throw toggle switch from the range of products produced by Mictronics. This switch is designed to switch up to 8 amps of current with a maximum voltage of 250V AC and a dielectric strength of 1,000V between terminals. The U31MDAV2QE is suitable for a wide range of domestic and industrial applications, such as lighting, motor control, and machine operation. This particular switch is a mechanical switch with a self-cleaning contact. The operating force of the switch is 5N, while the total insulation resistance of the switch is greater than 100mΩ.

The working principle of the U31MDAV2QE is quite simple. The toggle switch has two sets of contacts: one set is normally closed (NC) and one set is normally open (NO). When the switch is switched on, the NC contacts open and the NO contacts close, thus causing the current to pass between the two terminals. In the OFF position, the NO contacts open and the NC contacts close, thus interrupting the current flow. The switch is internally mounted with a spring, which ensures that the contacts return to their original position every time the switch is operated.


3. Conclusion

The U31MDAV2QE toggle switch is designed for a wide range of domestic and industrial applications. This particular switch is a mechanical switch with a self-cleaning contact and has the ability to switch up to 8 amps of current with a maximum voltage of 250V AC and a dielectric strength of 1,000V between terminals. The working principle of the switch is quite simple and is based on the opening and closing of the contacts as the switch is switched ON and OFF. The internal spring of the switch ensures that the contacts return to their original position every time the switch is operated. The U31MDAV2QE is an ideal switch for a variety of applications where an ON-OFF switch is needed.

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