DC Circuit in AC MCB

Does using a AC MCB in a DC circuit affect the tripping time or the perfromance?

Questions by astroboypoki

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saisln

  • Dec 14th, 2008
 

Yes defenitly affect the tripping perfomence of MCB (AC) because DC has uni directional flow , the contact area of the contacts in DC MCBs is in higher ratings. There are chances of welding of contacts may also happened in some occasitions.

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