What is the difference between MCB & MCCB,
Where it can be used,

Answer Posted / sanjay

MCB FOR LOWER RATING & MCCB FOR HIGHER RATING.HIGH BREKING
CAPACITY OF MCCB THAN MCB.BOTH MCB & MCCB FOR OVER LOAD
PROTECTION & SHORT CIRCUIT PROTECTION

Is This Answer Correct ?    66 Yes 23 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

in star-delta tranformer,if the input of star connection is 400/7v 3 kva then what is the output of delta connection?

1720


Brief me about maintenance planning & sheduling of machine tool.

1715


Define load factor?

647


if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

1476


what percent do you derate your copper wire when you change from copper buss to copper wire

1552






What is the tension required for the 25000 CFM AHU belt

2055


can i connect the two phases of scott connected transformer,if not why?

1514


how to calculate the distance relay faulty zone?pls explain?

1592


1 “earthing” for bonding of equipment and circuits to common plant earth electrode potential, 2 “protective earthing (PE)” when this bonding is required for personal safety provisions 3 “grounding” for interference suppressing bonding of screens, sys-tems with ground level 4. low-impedance earthing ? 5.primary earthing system and secondary earthing system what is that? 6.earthing electrode or mesh net earthing electrode ? very confusing , simple but very informative help required ? i will be very very thankful to you guys.

1612


0.5,1,1.5,2.5,4.0.6.0,10,16 square mm electrical wires how much take maximum current in 50htz

1703


what is your aim

1448


If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V

1199


what is the role of transistor in Circuit?

673


why the neutral point in connnection oscillates?

1820


If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

630