difrent between vcb acb sf6 and mccb breakers

Question Posted / b.madhankumar

1 Answers
5443 Views
DMRC, I also Faced
E-Mail Answers

difrent between vcb acb sf6 and mccb breakers..

Answer / viraj

all are used to protect electrical equipment
in normal conduction all works as close switch but in abnormal condition they become open
vcb acb and sf6 are used with relay
vcb vaccume is used for arc removal
acb air is used for arc removal
sf6 sf6 is used for arc removal
mccb molded case circuit breaker to limit current

Is This Answer Correct ?

4 Yes

4 No

Post New Answer

More Electrical Engineering Interview Questions

When electric field is parallel to the plane of incidence, the electromagnetic wave is said to be a.Linearly polarized b.circularly polarized c. Elliptically polarized d. Hyperbolically polarized

1 Answers

why motor run slow speed in star connection?explain how?

3 Answers

what is maximum or Threshold value of current 7 voltage that a common man can withstand

1 Answers

Why DC Currents are not used in transformer?

4 Answers

what is different between relay and plc?

3 Answers

Why VCB is required and ACB is also require? what is the BDV of Trafo of 11/33 KV

1 Answers

How to calculate Maximum Demand from Energy meter Reading.

1 Answers Etisalat,

What will be the size of cable required for 5.5 KW motor ( Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

2 Answers

what happens to current , when voltage drops .?

11 Answers

Why we use RYB phase sequence?

3 Answers

WITCH CARDS IN USE IN FIRE CONTROL PANEL.

0 Answers

What is different type of Electrical curve and how it protects the equipment's while up-normal situation?

0 Answers

For more Electrical Engineering Interview Questions Click Here