Introduction

A lever limit switch is an electromechanical device used to detect the presence or absence of an object, as position.

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Working of lever limit switch

A lever type crane limit switch works on the principle of a lever attached to a rotating central shaft.When the moving machinery comes in contact with the lever, the central shaft of the lever rotates ,thereby rotating the coaxial cams which connect or disconnect the electrical contacts.

The rotation of the shaft can be spring returned to its stable normal position. The length of the lever type crane limit switch depends on the mounting position of the limit switch enclosure and the moving crane which needs to stop.

The Lever mechanism can be moved one way or both ways depending on the type of application. Lever type Limit Switch is prevent over travel of traverser motion within pre specified position on control or power circuit. Lever Type Limit switch is Suitable for use on Wagon shunting device,Elevators,Material handling system etc.