Difference between relays and contactors.

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Contactors and relays are two closely related terms leading to confusions and misinterpretations most of the times. Both of them are electrically operated switches used for control and switching of loads. The basic principle of operation of the contactor and the relay are the same. The difference between them is in term of their application and where they are used. Difference between relays and contactors can be easily understood from this video.

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You can get Relays with only one contact on the output, (either NO or NC) -- they don't *have* to have two sets of contacts.

jarod
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10kw 3phase motor 415v how to select magmatic conductor and over load really amper (size) please send vedio Sir thanks

mohamednusrath
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How can open, and repair ABB, A12-30-10 contacter, mostily this contacter, any short equipment ABB small contacter phase point suddently close and it will damege

jayakumarnair