Power Contactor Working Principle Pdf

2 the contact system comprising three main contacts and a two normally open two auxiliary normally closed contact it and the movable iron.

Power contactor working principle pdf. Although they have been explained in earlier posts their wide use and significance needs to be explained in detail. Contactor contactors typically have multiple contacts and those contacts are usually but not always normally open so that power to the load is shut off when the coil is de energized. Knife blade switch figure 2. 2012 01 07 14 45 17 ac contactor of the working principle and structural characteristics of ac russian contactor has four main components.

The contacts of the contactors are known for their rapid open and close action. Take a look. The contacts are the current carrying part of the contactor. When a relay is used to switch a large amount of electrical power through its contacts it is designated by a special name.

It was probably the first ever contactor that was used to. The electromagnet or coil provides the driving force to close the contacts the enclosure is a frame housing the contacts and the electromagnet. A contactor is also a type of relay. Enclosures are made of insulating materials such as bakelite nylon 6 and.

A contactor has three components. Control of electric motor with contactor. 1 the electromagnetic system including the attraction coil a movable iron core and the static iron core. كيف يعمل قواطع contactors are electrically controlled switching devices used for switching of e.

Working of a contactor different types of contactor devices 1. Knife blade switch the knife blade switch was used earlier in the late 1800 s.