What is the Difference Between MCCB & ACB & VCB
Answer Posted / raj kumar
• MCCB is used for load purpose and is should used up to 1200-1500A only.
• ACB is used for low tension (LT) panel it should carry up to 4000A and more.
• VCB is used for high tension (HT) panel it means carry 11KV and low amps rating it can withstand at long time at high Voltage also.
• MCB is used for low current ranges, available up to 63A
| Is This Answer Correct ? | 17 Yes | 3 No |
Post New Answer View All Answers
Why we do 2 types of earthing on transformer (ie:)body earthing & neutral earthing , what is function. I am going to install a oo kva transformer & 380 kva dg set what should the earthing value?
We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks
From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?
Wind mill
how to calculate the battery AH
who invented active elements? plz give me the complte details of active elements...
WHY EXCITER PHASE SEQUENCE ARE OPPOSITE THAN STATOR SUPPLY PHASE SEQUENCE IN SYNCHRONOUS MOTOR >
What are the basic components of the feedback control system?
In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.
by what factor the starting current is used when comparing star and delta connection for motor starting?
where solid grounding and where grounding through ngr done and why?
If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?
how many single tension hardware are required on a double circuit transmission tower?
I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.