AV37029

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Snap Action, Limit Switches

AV37029 is a type of snap action, limit switch, which is also known as limit switch or limit switch. It is one of the most commonly used components in the field of electromechanical control. It has been widely used in machinery, light industry, electrical, instrumentation and other industries. The most common configuration of AV37029 is single pole single throw (SPST).

Briefly speaking, AV37029 can detect the physical quantity of mechanical motion. The working principle is mainly composed of three parts: contact type, conductive type and moving type. The contact type mainly includes static contact and dynamic contact; the former is made of two metal plates, which can transit the current when they touch each other; while the latter is composed of a macroscopic mechanical structure and a metal contact point, which can be operated to produce electrical action when the macroscopic mechanical structure moves, such as sliding and rotating. The moving type includes plunger, lever, roller and micro switch, etc.

The range of application for AV37029 includes electrical control cabinet, motor starting devices, refrigerator, machine tools and detect devices, etc. For example, in motor starting devices, AV37029 can be used to detect the rotation position of the motor. When the motor shaft does not reach the certain angle, the contact point cannot produce any electrical action, so that it cannot transmit the current. But when the motor shaft reaches the certain angle, the contact point produces electrical action, the current can be transmitted and the motor will start running.

In summary, AV37029 snap action, limit switch is widely used in the fields of mechanical control and electrical control. Its application range is very large, which is mainly due to its simple structure and good sensitivity. The working principle is mainly composed of three parts: contact type, conductive type and moving type, which play a key role in the normal operation of AV37029.

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