Previous in Forum: ABB ACS 880 VSD   Next in Forum: How to set HF Transformer NWL
Close

Comments Format:






Change Mode
Close

Subscribe to Discussion:

CR4 allows you to "subscribe" to a discussion
so that you can be notified of new comments to
the discussion via email.

Close

Rating Vote:







Add Vote
3 comments
Rate Comments: Nested
changiz
Participant

Join Date: Jul 2019
Posts: 1

Operating Sequence o-x s-co- x min-co

08/14/2019 3:35 AM

Hello friends.

What is the meaning of operating sequence in MV circuit breakers?
Register to Reply
Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.

Good Answers:

These comments received enough positive votes to make them "good answers".
4
Brave Sir Robin
Guru
Hobbies - DIY Welding - Wannabeabettawelda

Join Date: May 2007
Location: Annapolis, Maryland
Posts: 7940
Good Answers: 458
#1

Re: Operating Sequence o-x s-co- x min-co

08/14/2019 10:52 AM

You might find your answer in here:

https://cr4.globalspec.com/thread/18823/what-is-O-0-3s-CO-3min-CO-for-a-Circuit-breaker

Check out TITO60's answer.
Register to Reply Good Answer (Score 4)
Go to Next Good Answer
3
SolarEagle
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 33392
Good Answers: 1817
#2

Re: Operating Sequence o-x s-co- x min-co

08/14/2019 1:01 PM

https://electrical-engineering-portal.com/medium-voltage-circuit-breaker-operating-sequence

__________________
 All living things seek to control their own destiny....this is the purpose of life
Register to Reply Good Answer (Score 3)
No more Good Answers.
PWSlack
Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
Good Answers: 839
#3

Re: Operating Sequence o-x s-co- x min-co

08/15/2019 7:39 AM

It means that a Google search is the next item on the agenda.

__________________
 "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
Register to Reply
Register to Reply
Have a Different Question?
3 comments

Good Answers:

These comments received enough positive votes to make them "good answers".
Copy to Clipboard

Users who posted comments:

Brave Sir Robin (1); PWSlack (1); SolarEagle (1)

Previous in Forum: ABB ACS 880 VSD   Next in Forum: How to set HF Transformer NWL

Advertisement

Got Something to Say?
Ask a Question
Start a Discussion

Search this Forum
Electrical Engineering:
Go

CR4 Sections
Aerospace
BioMech & BioMed
Chemical & Material Science
Civil Engineering
Communications & Electronics
Education and Engineering Careers
Electrical Engineering
General Discussion
Instrumentation
Manufacturing
Mechanical Engineering
New Technologies & Research
Software & Programming
Sustainable Engineering
Transportation

Site Directories
Forum Directory
Blog Directory
User Group Directory
RSS Feeds

CR4 Rules of Conduct
CR4 FAQ
Site Glossary

Who's Online (61 right now)
Show Members
Advertisement