what is difference between vcb and mccb

Answer Posted / vinoth_sundar

VCB is vaccum circuit breaker which is used in HT lines.
MCCB is mould case circuit breaker which is used in LT lines
upto 1000V

Is This Answer Correct ?    39 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?

1565


How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

1783


What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

1429


The capacitive reactance of a capacitor of 1/(2(PI)) F at 10^3 H is

1409


for opening electrical shop, tips needed.

1386






Can we use shunt trip coil instead of trip coil with protection relay for protection?

1306


What is the vector group of a transformer,how can it be found out?

1569


ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

2946


what causes contact chatter when there is no demand on the air conditioning unit?

1615


Why we use ups battery and dsdb battery in thermal power plant

1635


How to select a contactor? How many types of contactors are available

2732


what is per unit calculation?looking for simple and strong explanation thk u

2438


What is polar plot?

706


WHAT R THE SAFETIES IN A HIGH TENSION PANEL N LOW TENSION PANEL. ALSO WAT SAFETIES R THERE IN A 200 KVA TRANSFORMER?

1817


I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?

1572