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A Brief Introduction to Limited Switch

Source:http://www.flowxgroup.com/Update Time:2014-04-18Hits:

A limited switch is utilized to confine the movement of an electrical current. It allows certain electrical current to pass to the device being powered. A standard industrial limited switch is an electromechanical device that is consisted of an electric actuator which is linked to a number of contacts. When the electric actuators meet an object, the limited switch stimulates the contacts to either establish or block an electrical connection.

Overlooking the limited switch history, Generally speaking, there are two main types of limited switch. The most common type is the mechanical limited switch. This kind of switch localizes a specific object. It opens and closes in accordance with the object’s specific location. A physical contact or lack thereof can trigger the switch. For instance, the light inside a car can often be turned off when the doors is open.

The centrifugal limited switch is another type. The speed of the object being monitored can trigger this switch gauge. As many purposes it may have, a centrifugal limited switch is widely used as an alert to shut down a device when the object being monitored exceeds its maximum or is lower than the minimum safety speed reach. These switches are mainly used in engines and motors.

In the FP series limit switch history, they are commonly used in industrial sectors. From controlling a hoist motor to providing pressure control to ensure the safety of workers, the limiteid switch is versatile. Limited switch can be used to star, stop or reverse product lines: as sensors to explore a finished action, such as stopping a hydraulic crane from hording materials past a certain height, or as tractors to operate such safety equipment as fire doors in the event of an emergency

Household appliances are a place where multitudes of limited switches can be found. A standard garage door opener is a best example to illustrate, There are two limited switches in the opener: one is to control how long time the electric circuit can move in the opener, and another is to control the travel time of the door as it moves up or down. When the door reaches a certain height the limited switch opens, in case of the door hitting the motor at the top or crashing the ground at the bottom.

In most cases surveying the limited switch history, a limited switch begins operating when a running machine or a moving part of a machine contact with an pneumatic actuators or operating lever that turns on the switch. The limited switch then modifies the electric current that powers the machine and its moving components. This limited switch can be used as experimental device for magnetic starter control currents, allowing then to start, stop, slow down, or accelerate the movements of an electric motor.

With more artificial intelligence as limited switches, it is well believed that our future life is beneficial and wonderful.

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