Do you know these relays?

[obut4]

Hi,

Does someone know what type of relay the following relays are?
Are they utility grade or industrial grade ?
Which brand it is?

They seem to be overcurrent relays and directional overcurrent relays but I could not find what INO, INH or IHS means?

Thanks for your help


Protection relay, Type INO 340 or 340 C
In =5(A)
Up=110(V),
setting I> (0.6-1.8)In, I>>(3-10)In, ti (0.2-6)

Protection relay, Type INH 000 In=5(A),
Up=110(V)
setting I>(0.1-1)In, ti (0.2-6)sec

Protection relay, Type IHS IT
In=1(A), Up=110(V), U=100(V) 50 Hz, ß(10?-180?), setting I> (0.1-0.6)In, ti (0.2-6)sec

 

[ScottyUK]

You must have tried really hard to find out what these were!

http://www.google.co.uk/search?hl=en&q=protection+relay+ino+inh+ihs&btnG=Google+Search&meta=

and the first result from Google is...

http://www.elko.rs.ba/products/?pid=1103&p=staticki

...which lists all three types.

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If we learn from our mistakes I'm getting a great education!

 

[jraef]

Eng-Tips...

Better than Google because... well, just because.

 

[rmw]

Google is just too hard.

rmw

 

[obut4]

I apologize but i did a search on google.
Thanks for your help.
This mistake will not happened again.

 

[ScottyUK]

No problem. Happy New Year.


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If we learn from our mistakes I'm getting a great education!

 

[slavag]

Obut4.
Are you have those relays or you would like use them in new project?
Range of settings not seems so "good".
Regards.
Slava

 

[JensenDrive]

This is evidence of the problem with searching on keyword guesses. If you change the term "protection" to "protective" you do not find the link. If you seach on "relay protection ino inh ihs" (just reverse the order of the first two words) the search fails. If search on protection relay ino 340, the search fails. There are a zillion possible search terms that fail. It was a bit rude to broadcast that your success shows that obut4 did not try.

 

[slavag]

Obut4, Jensen. Come on.
I'm sure it was freindly joke, not more .
I'm also not found those relays on google, so what.
Best Regards.
Slava

 

[ScottyUK]

Jensen,

I amazed to discover that you are right! Although I think your estimate of the number of permutations is a little high. An apology to obut4. How did you discover this? Have you nothing better to do than check the efficacy of the Google search engine?


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If we learn from our mistakes I'm getting a great education!