What is the difference between ACB & MCCB?






Answer Posted / satya dev

As per IE Rule Below than 1000 Amp. Load we can use MCCB &
Above than 1000 Amp. Load we must be use ACB.another reason
is the Range of Short Ckt Capacity of ACB is Greater Than
the MCCB.

Is This Answer Correct ?    9 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What should be current in the Primary and secondary side of 1000KVA (11KV Supply)Transformer.?

634


what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that

1777


if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

1534


How time response of the system is divided?

688


How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer

1306






I am a possesor of c licence from 1993. I forgot to renew during the year 1998. During that time I was working at TNEB to till date. Is there any possibility to get renewed? or to apply for a new one?

1602


What happens if we run alternator on under frequency? 

1640


why Lightening Arrester Probe sharp at Top of telecom tower.

1092


where solid grounding and where grounding through ngr done and why?

2088


1 Ton is equal to how many watts?

669


What happened ,If 3 phase clearance not maintained in 33KV Line,11KV LIne etc?

1816


There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

1426


Define phase cross over?

665


Thumb rule of cable size(rm>30 rm)X multiplying factor=ampere

1194


What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer

1342