What is the Difference Between MCCB & ACB & VCB
Answer Posted / kola raju
MCCB: means moulded case circuit breaker which use ark
quenching device as AIR which is used upto 500 Amps only
ACB:air circuit breaker which use quenching device as air
and used upto 3000 Amps at 415 volts
VCB:vaccum circuit breaker which use ark quenching device
as a vaccum and used for 415 volts.6.6 KV,11 KV,33 KV,132
KV,220 KV also.
| Is This Answer Correct ? | 244 Yes | 85 No |
Post New Answer View All Answers
What is dynamo?How it works and what is the function of dynamo in a DG.
What is earth?
What are the three constants associated with a steady state error?
How to setting the volume of RTCC panel AVR (11kv) controller
Why does the radius of armature is less than the radius of pole shoe?
WHAT IS THE MEANING OG (li = 7 In)
To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors
Write the force balance equation of ideal spring element.
Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????
what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me
Why PS class CT is always preferred for Differential protection?
I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.
whit is 33kv power 300*300 cable full current with formula
What is a feedback in control system?
where rlc series ckt used?