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Anonymous Poster

UV

02/05/2009 12:56 AM

Can anybody tell me, what will we do for ON the Breaker electrically after tripped by UV relay.

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Power-User
South Africa - Member -

Join Date: Nov 2008
Location: Johannesburg
Posts: 295
Good Answers: 12
#1

Re: UV

02/05/2009 1:54 AM

Hi there,

If the breaker was on, and the undervoltage coil tripped it - it should now be open. If it is still in the closed position - you have a problem and I would suggest you check your tripping ciruit wiring.

Do you need to know how to re-close it? If so - you definately should not be working with electricity.

Regards,

Craig

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Anonymous Poster
#2
In reply to #1

Re: UV

02/05/2009 4:13 AM

Thanks for ur reply.

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Active Contributor
Engineering Fields - Power Engineering - New Member

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Posts: 21
#3

Re: UV

02/05/2009 4:18 AM

Hi.. I Agree with Craigza Opinion..

If your breaker in On posisition and Under Freaquency Relay is working and make your equipment is trip, you must do:

1. Open Your Breaker (in Off mode)

2. Check the direct connection that have correlated with the equipment, etc (cable, breaker, transformer)

3. MAke sure your checked result is Ok,and then please continue to close your breaker (on position)

Regards

Rita

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Guru
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#4

Re: UV

02/05/2009 2:59 PM

This has been answered in a recent previous thread. Try a CR4 site search for "breaker"

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Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

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#5

Re: UV

04/16/2025 4:19 AM

Ah. <...UV...> ≠ ultraviolet; <...UV...> = undervoltage. Got it now.

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