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Railway 16 2/3 Hz 230 V MCB

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Fredrik_Aandal
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Posted: ‎2022-12-14 02:56 AM

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Posted: ‎2022-12-14 02:56 AM

Railway 16 2/3 Hz 230 V MCB

Hi community

 

I'm not able to find any MCB's with specifications for 16 2/3 Hz. I would assume a magnetic trip correction factor must be applied, but only DC factors are currently specified. 

 

Anyone who has found any solution to similar topic? 

 

Thanks, 

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Yarom
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Posted: ‎2022-12-14 03:46 AM

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Posted: ‎2022-12-14 03:46 AM

To start and get you going before someone else comes with a more relevant answer, we have MCCB's (NSX series) that may offer a solution.

 

Check out page B-54 (88 of the pdf): 

 

https://download.schneider-electric.com/files?p_enDocType=Catalog&p_File_Name=LVPED221001EN.pdf&p_Do...

 

Hope it helps.

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Yarom
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Posted: ‎2022-12-14 03:46 AM

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Posted: ‎2022-12-14 03:46 AM

To start and get you going before someone else comes with a more relevant answer, we have MCCB's (NSX series) that may offer a solution.

 

Check out page B-54 (88 of the pdf): 

 

https://download.schneider-electric.com/files?p_enDocType=Catalog&p_File_Name=LVPED221001EN.pdf&p_Do...

 

Hope it helps.

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Gregoire_Brun
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Posted: ‎2022-12-14 05:16 AM

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Posted: ‎2022-12-14 05:16 AM

Hello 

Right @Yarom 

@Fredrik_Aandal, I'm surprise to see a question coming from Norway for this type of device which is generally dedicated for Switzerland and Austria railway... what is your application on your case?

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Fredrik_Aandal
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Posted: ‎2022-12-14 11:33 AM

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Posted: ‎2022-12-14 11:33 AM

Thanks, I'm aware of NSX 16 2/3 Hz compatibility. Using a MCCB as a substitute for MCB is a bit overkill though. 

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Fredrik_Aandal
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Posted: ‎2022-12-14 11:35 AM

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Posted: ‎2022-12-14 11:35 AM

Norway has 16 2/3 Hz railway just as Switzerland and Austria. And don't forget about Germany. 

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Gregoire_Brun
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Posted: ‎2022-12-15 02:25 AM . Last Modified: ‎2022-12-15 02:25 AM

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Posted: ‎2022-12-15 02:25 AM . Last Modified: ‎2022-12-15 02:25 AM

@Fredrik_Aandal what is the ratting and short circuit level you need ?

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Fredrik_Aandal
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Posted: ‎2022-12-15 06:15 AM

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Posted: ‎2022-12-15 06:15 AM

@Gregoire_Brun 2-pole in the range of In 6 - 10 A B/C trip. char.

 

Isc levels are quite low as the 15 kV - 230 V transformer is at maximum 15 kVA. "Standard" Icu/Icn will do the job. 

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Gregoire_Brun
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Posted: ‎2022-12-15 06:42 AM

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Posted: ‎2022-12-15 06:42 AM

Capture d’écran 2022-12-15 153654.jpg

Same ratio of 10 % lower could be apply for MCB I think

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Fredrik_Aandal
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Posted: ‎2022-12-15 07:18 AM

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Posted: ‎2022-12-15 07:18 AM

Thanks Gregoire, 

 

I agree with you that the same factors probably would apply MCBs as well. But before stating this to a customer I will need to get it confirmed by technical support in an email. 

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Gregoire_Brun
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Posted: ‎2022-12-15 08:00 AM

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Posted: ‎2022-12-15 08:00 AM

if you want an official declaration, please contact CCC to optain it,Aks them eventualy to contact me to cross data between MCCB and MCB

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