Shadowing-Übung: The Difference Between Contactors And Relays - ELECTROMAGNETIC SWITCHES electricians use - Englisch Sprechen Lernen mit Video

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What's going on my friends?

This is Dustin Stelzer with Electrician U and today we're going to talk about the difference between a relay and a contactor. so relays

and contactors are pretty much the same thing i mean they

essentially work the same way both of them are electromagnetic switches

so rather than you having to come up

and push to turn this device on you know like manually

you can actually send current to it send an electrical signal

and that is what turns the thing on it does

that for both of these both of them are electromagnetic switches

both of them are really used as like multi -pole switches

so if you want to control several different circuits

or several different loads that are on different circuits at the same time you can do

that with both of these whereas a normal light switch you

can only control one thing both of them have coils

so there's actually a coil of wire in here that

when you send current through it engages an electromagnet

and it sucks the contacts shut or opens them up they both operate

that way and both of them have contacts

so they have multiple different contacts

that you can run say home runs from a panel to

and then you run out of the other contacts out to

the field somewhere to different kinds of things relays also have them so even though

that they're very similar in a lot of ways they're very

different in some important ways typically a relay is going to be a low voltage

or low current application meaning that the both the coil

and the contacts really can't handle a lot of current a lot of these things are rated at like 5 amps,

10 amps, 15 amps, where contactors are typically used in higher voltage, higher current environments.

The contacts on these can handle anywhere from 30, 40, 50 amps.

The metal and the pieces that make up the inside of this relay are actually a lot smaller and more compact,

whereas a contactor, everything is a lot more beefy.

Typically with relays, you cannot change the coils inside of them.

Whatever rating you get this device is the rating you got to run to it and through it.

Whereas a lot of contactors, not all of them, but a lot of them, you can actually take this coil pack out and put a brand new coil in it.

So if you have 120 volt coil but you need a 277 coil, a lot of times you can just go to the supply house, pull this out, put a new one in.

Another difference is that relays can typically only control up to like two

or three loads they're just designed for a couple of different

functions whereas contactors this one specifically can do four loads

and there's some even like this crazy one back here that's a six pole

and it can even be expanded to do eight

or this guy up here can do 12

so they're a lot more expansive most relays also have a both a normally open

and a normally closed option so you can kind of turn some things off

while turning other things on at the same time with a relay where most general use contactors you can't do

that general use contactors are typically only normally open or normally closed

so everything is going to turn on or everything is going to turn off

when you energize that coil however lighting contactors like again this guy

or this guy you can change you can add auxiliaries to them you can kind of move back and forth

whether or not some of them are normally open

and some of them are normally closed

so they have a little bit more high functionality

but again it's kind of the same thing it's just limited to usually two

or three things or anywhere from like two to twelve in

that case another thing

that some contactors have again lighting contactors more specifically is they have the ability to be mechanically held

so you can latch them in place and that way

if power is gone

or you lose power to the coil all the lights fail in an on position where relays don't have

that function basically once you send power to them

and you take power away they turn on or they turn off like a general purpose contactor would.

So that's pretty much it for the differences between contactors and relays.

I hope that kind of cleared some things up.

A lot of people when they hear relay they're like uh what is that it's some like magical switch.

No it's the same thing.

They're both just electromagnetic switches.

You send power to them to turn them on and off

and that's as as difficult as it gets

so i'm going to have a video that's going to come out uh specifically on relays

that just talks about how all relays work

and i'm going to cover a bunch of different types i'm going to have another video

that just covers contactors how they work i'm going to tear them open

so you can see the insides of them talk about different environments in which you use them

and then i'm also going to do a video on both

of these where i'm going to wire each one of them

and draw some diagrams and show you how they work

and how the practical application of both of these works out

so in the next couple of months you're going to see a few different videos on contactors

and relays so thank you guys so much i really appreciate your attention

and i will see you in the next episode

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Wortschatz und Sprechhinweise zu dieser Lektion

Diese Sprechübung basiert auf dem Video „The Difference Between Contactors And Relays - ELECTROMAGNETIC SWITCHES electricians use“. Diese Wörter kommen am häufigsten vor: contactor, relay, coil, normally, contact. Dieses Video enthält 6 Sätze und 952 Wörter zum Nachsprechen. Der gesprochene Teil dauert 5:17. Der Sprecher spricht schnell, etwa 180 Wörter pro Minute – rechne mit verbundenen und verkürzten Lauten. 84 % der Wörter gehören zu den 3.000 häufigsten im Englischen; den Rest solltest du dir vor dem Üben ansehen.

Wichtiger Wortschatz in diesem Video

15 lernenswerte Wörter aus dem Video, mit Aussprache und Bedeutung:

Wort	Aussprache	Bedeutung
coil Substantiv	/kɔɪl/	Spirale, Wickel
whereas	/(h)wɛɹˈæz/	wohingegen, wogegen
amp Verb	/ˈæmp/	steigern, aufdrehen
rat Substantiv	/ɹæt/	Ratte, Ratz
electromagnetic Adjektiv	/ɪˌlɛk.tɹoʊ.mæɡˈnɛ.tɪk/	elektromagnetisch
circuit Substantiv	/ˈsɝ.kɪt/	Umlauf
wire Substantiv	/ˈwaɪɚ/	Draht
voltage Substantiv	/ˈvəʊltɪd͡ʒ/	Spannung
practical Adjektiv	/ˈpɹæk.tɪ.kəl/	praktisch
essentially Adverb	/ɪˈsɛnʃəli/	im Wesentlichen, im Grunde
suck Verb	/sʌk/	saugen, nippeln
engage Verb	/ɪnˈɡeɪd͡ʒ/	beschäftigen
expand Verb	/ɪkˈspænd/	expandieren, vergrößern
tear Verb	/tɛɹ/	reißen, zerreißen
pole Substantiv	/pəʊl/	Pol

Phrasal Verbs, die du hören wirst

Wort	Aussprache	Bedeutung
turn off Verb		ausschalten, abschalten
come out Verb	/ˌkʌm ˈaʊt/	herauskommen
come up Verb		erscheinen
make up Verb	/ˌmeɪk ˈʌp/	wiedergutmachen, kompensieren
work out Verb	/ˌwɝk ˈaʊt/	ausrechnen

Aussprache, auf die du achten solltest

Der Sprecher verwendet 23 Kurzformen und abgeschwächte Formen, zum Beispiel gonna, I'm, they're. Sprich sie in der kurzen Form, so wie du sie hörst.

Lange Wörter – auf die Betonung achten: electromagnetic /ɪˌlɛk.tɹoʊ.mæɡˈnɛ.tɪk/, electrical /ɪˈlɛktɹɪkəl/, essentially /ɪˈsɛnʃəli/, auxiliary /ɔɡˈzɪl.(jə).ɹi/, manually /ˈmænj(u)əliː/

Laute, die Deutschsprachigen schwerfallen:

/w/ — mit runden Lippen, nicht wie das deutsche „w“ (/v/): whereas /(h)wɛɹˈæz/, wire /ˈwaɪɚ/, twelve /twɛlv/
Stimmhafter Auslaut — /b/, /d/, /g/, /z/, /v/ am Wortende nicht verhärten: whereas /(h)wɛɹˈæz/, voltage /ˈvəʊltɪd͡ʒ/, engage /ɪnˈɡeɪd͡ʒ/, expand /ɪkˈspænd/, twelve /twɛlv/
/æ/ — offener als „ä“: whereas /(h)wɛɹˈæz/, amp /ˈæmp/, rat /ɹæt/, electromagnetic /ɪˌlɛk.tɹoʊ.mæɡˈnɛ.tɪk/, practical /ˈpɹæk.tɪ.kəl/

So übst du mit diesem Video

Höre dir das ganze Video einmal an, ohne zu sprechen, und notiere die Wörter, die du nicht kennst.
Beginne mit 0,75-facher Geschwindigkeit, sprich Satz für Satz nach und wechsle zur normalen Geschwindigkeit, sobald es leichtfällt.
Nimm dich auf und vergleiche mit dem Original; achte dabei auf Wörter wie coil, whereas, amp.

Was ist die Shadowing-Technik?

Shadowing ist eine wissenschaftlich fundierte Sprachlerntechnik, die ursprünglich für die professionelle Dolmetscherausbildung entwickelt und durch den Polyglotten Dr. Alexander Arguelles populär gemacht wurde. Die Methode ist einfach aber wirkungsvoll: Du hörst englisches Audio von Muttersprachlern und wiederholst es sofort laut — wie ein Schatten, der dem Sprecher mit nur 1–2 Sekunden Verzögerung folgt. Anders als passives Hören oder Grammatikübungen zwingt Shadowing dein Gehirn und deine Mundmuskulatur, gleichzeitig echte Sprachmuster zu verarbeiten und zu reproduzieren. Studien zeigen, dass es Aussprachegenauigkeit, Intonation, Rhythmus, verbundene Sprache, Hörverständnis und Sprechflüssigkeit signifikant verbessert — was es zu einer der effektivsten Methoden für die IELTS Speaking-Vorbereitung und reale englische Kommunikation macht.

Shadowing-Technik: die vollständige Schritt-für-Schritt-Anleitung lesen →

Shadowing-Übung: The Difference Between Contactors And Relays - ELECTROMAGNETIC SWITCHES electricians use - Englisch Sprechen Lernen mit Video

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