How does relay switch work

What does a relay switch do?
Relays are electric switches that use electromagnetism to convert small electrical current into larger currents. These conversions occur when electrical inputs activate electromagnets to either form or break existing circuits.
A relay switch may be used in circuits where it is not possible to have a direct electrical connection between the control circuit and the electrical components. A relay is a special type of switch turned on and off by an electromagnet. When a current flows through the coil, an electromagnetic field is set up.
What is the difference between switch and relay?
They both serve the same function, i.e., opening or closing a set of contacts to control an electrical device. Switches are manually actuated by the user. Relays are controlled by energizing an electromagnet, which in turn causes the contacts to open/close.
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[@mrfixit2514]

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[@electreca1]

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[@musisir1927]

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[@erick2pac360]

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[@user-zs1eo9lp3p]

Thanks for everything but me what I want to learn hw to connect automatic change over switch practically

[@robertkiptoo8974]

Types Auxiliary for NO n NC in conductor some said In pill Auxiliary for changes over

[@vanoskaburu710]

Thanks

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Explain how bypass system work..

[@JeremiahNtale]

Help me on self holding of the contactor

[@tapdor3450]

I would like to ask about the protection relay

[@kestersiame9482]

How to use connect automatic contactor

[@lorenzakan4500]

Thanks for the information. Pls kindly make a video for automatic on and off generator starter for automatic change over. Regards

[@electreca1]

Noted, and thanks for watching

[@georgeowiti2475]

Nice I need a wiring of three contactors to a 8 pin relay for automatic change over

[@electreca1]

Let me prepaire it ill post soon on my Blog.

[@user-sq4zs7fx8z]

And how do you connect a fanox to a single phase pump

[@oscarrivaroh3281]

Can you explain the relay switch which uses DC current

[@user-sq4zs7fx8z]

Hi how do you connect contactor to photo cell

[@lubegaumar6373]

Bro thanks for your time but in this case you have to specify which voltage supply you are using depending on the relay you have ,ie 12v dc,24vdc,110v ac/240vac etc

[@Engineerizo]

I think in ac systems we use relays of ac voltages 220 ~240v

[@patrickmekus1476]

Thank u very much for this explanation, pls can u make a video on mcp components, what they do and how they receive command from bms. Thank u

[@electreca1]

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[@priestmugivhela5789]

so how much voltage does this relay need to power up

[@chidiebereemeka4885]

Please I need a video of three different power supply automatic changeover with generator on and of switch the relay connectors will be on ac power supply.

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[@Engineerizo]

Hi thank you so so so much brother I had alot of questions about generator phase monitors but I got it smoothly it's use I was always asking my self it's use but I'm now comfortable with that plz can you make us a video about the Gen. Communication start and stop points for wiring on both generator and transfer switch board pkz thank you

[@electreca1]

Your welcome......................... and thanks for asking, the video is on schedule.

[@byaruhangajulius328]

Hello,
Kindly,do for us a vedio for a control
panel using a selector switch (Auto OFF Man).
How do you connect a command start signal to a Gen set from the automatic transfer switch like the one you did.
Thanks a lot for Your guidance.

[@electreca1]

Noted

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[@peterasiimwe520]

thnx bro bt cn you do me a video showing me th diff btn normally closed and normally using one of the control devices especially contactor or relay

[@electreca1]

I will, Thanks for watching.

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Please let me understand air conditioner connection

[@psychoquing5009]

like can you do a vidio of a three phase wiring of a bell circuit with 12 and 240 VAC rellays transfomer and idicator board bell of both 12 and 240 push button,buzzer and alarmn system both in one installation..kindly

[@electreca1]

I will try to organise it. thanks for watching.

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Sir I want to make automatic Changeover split solar electricity

[@electreca1]

I will upload the video soon

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Kindly i need some help from you agently

[@electreca1]

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