What is the Difference Between MCCB & ACB & VCB
Answer Posted / muhammad junaid afridi
MCCB stands for Moulded Case Ckt Breaker.
ACB Air Ckt Breaker.
VCB Vaccume Ckt Breaker..Its to Simple yar....
Summary....
MCCB (Molded Case Circuit Breaker)—rated current up to 2500
A. Thermal or thermal-magnetic operation. Trip current may
be adjustable in larger ratings.
Vacuum circuit breakers are circuit breakers which are used
to protect medium and high voltage circuits from dangerous
electrical situations.
Air circuit breaker—Rated current up to 10,000 A. Trip
characteristics are often fully adjustable including
configurable trip thresholds and delays.
| Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
which capacity of RCCB used for five thousand watt electricity load?
A well system is when , no. of bus bar is less or more. Tell me the concept of it.
How much earthing frequency is capable?
Hi,iam a diploma in electrical engineering.rtd from indian air force in apr 2007.prsently working in reliance next link as a network maintenance engineer since 2007,can i get a job in motherson sumi.
I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?
what are the main faults that occur in stabilizers? How they corrected and resolved ? Types of stabilizers ?
What type of pipe material G.I or M.S is used for sprinkler system?
What is lifting power for 1 wb/m2 and 1 A magnet?
Why is ignitor used in sodium vapour lamp
In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?
WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .
What is the vector group of a transformer,how can it be found out?
i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper
What is the ideal position cooling fan inside the dc motor?