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Question
what is the difference between MCB and MCCB?
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
MCB is miniature circuit breaker which is a small
electrical circuit breaker used in small electrical systems
for protection against conditions such as overload or short-
circuit.

MCCB is moulded case circuit breaker which can be operated
upto currents of 1000 A.
 
Is This Answer Correct ?    21 Yes 0 No
K
 
Answer
# 2
mcb-miniature circuit breaker its bi metal trip type cannot able to co-ordinate the relays,small size,using for small loads.

Mccb-Moulded case circuit breaker can able to co-ordinate relays,here trip coil is separately provided for tripping action,large size and using for heavy duty
 
Is This Answer Correct ?    3 Yes 0 No
Muthuvel
 
 
 
Answer
# 3
MCCB is moulded case circuit breaker which can be operated
upto currents of 1600A.
 
Is This Answer Correct ?    2 Yes 1 No
Suman
 
Answer
# 4
unlike MCB the
MCCB can be used for short circuit...overload and earth fault as well and it can be manufactured on demand for any amount of current
 
Is This Answer Correct ?    0 Yes 0 No
Sam
 

 
 
 
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