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Question
why mccb is not tripping when phase & neutral terminal are 
interched ?
 Question Submitted By :: Ashish
I also faced this Question!!     Rank Answer Posted By  
 
  Re: why mccb is not tripping when phase & neutral terminal are interched ?
Answer
# 1
Shunt Trip Coil is not connected with a core balanced CT
 
Is This Answer Correct ?    0 Yes 0 No
Rajan.l
 
  Re: why mccb is not tripping when phase & neutral terminal are interched ?
Answer
# 2
mccb is a protect device,whenever short circuit fault 
happens ,it will isolate healthy system from faulty system 
due to heavy .changing the phase neutral in circuit  not a 
fault,it will work as normal circuit.
 
Is This Answer Correct ?    1 Yes 0 No
V.selvakumar
 
 
 

 
 
 
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