Power Contactor Working Principle Pdf

A contactor is a relay that is used for switching power.

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. Enclosures are made of insulating materials such as bakelite nylon 6 and. 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. Working of a contactor different types of contactor devices 1.

1 the electromagnetic system including the attraction coil a movable iron core and the static iron core. It was probably the first ever contactor that was used to. The contacts are the current carrying part of the contactor. A contactor is also a type of relay.

2012 01 07 14 45 17 ac contactor of the working principle and structural characteristics of ac russian contactor has four main components. When a relay is used to switch a large amount of electrical power through its contacts it is designated by a special name. This video explains the principle of operation of contactors. كيف يعمل قواطع contactors are electrically controlled switching devices used for switching of e.

Knife blade switch the knife blade switch was used earlier in the late 1800 s. This includes power contacts auxiliary contacts and contact springs. Take a look. Knife blade switch figure 2.

The electromagnet or coil provides the driving force to close the contacts the enclosure is a frame housing the contacts and the electromagnet. Although they have been explained in earlier posts their wide use and significance needs to be explained in detail.