Which is the best protection in case of shortcircut fuses or mccb ?

Question Posted / roshan

2 Answers
5138 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Which is the best protection in case of shortcircut fuses or mccb ?..

Answer / wasim

The main difference between circuit breakers and fuses is that circuit breakers can be reset while fuses operate only once and then must be replaced.So MCCB is best.On the other hand Circuit breakers offer an added level of convenience in the event of an inadvertent overload.

Is This Answer Correct ?

11 Yes

1 No

Which is the best protection in case of shortcircut fuses or mccb ?..

Answer / nur.asidik

it depends on voltage rating, current rating, and application, for motor, it is better to use fuse, why?. because we can select arcing current and arcing time.MCCB does not have. MCCB suitable only for static load

Is This Answer Correct ?

1 Yes

1 No

Post New Answer

More Electrical Engineering Interview Questions

at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?

0 Answers

what is transient stability analysis means?

0 Answers

What is the requirement of sulphuric acid in electrical feild?

1 Answers

The neutarl to earth voltage in system is 7volts on Electricity power but it lowers to 1.3volts when load transfered to DG power.what may be the reason.

3 Answers

dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

1 Answers

what is different between neutral and earth?

4 Answers

2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

0 Answers SSC,

why DOL starter is use in induction motor as it is not reduce the starting torque

2 Answers Maruti Suzuki,

HOW TO FIND OUT 1. LINE CURRENT, 2. PHASE CURRENT IN AN ALTERNATOR / TRANSFORMER WHICH IS FEEDING A I)STAR LOAD ii) DELTA LOAD, USING A CLAMP METER. NORMALLY WHEN WE USE CLAMP METER IN A DG SET THEN WHAT DO WE GET?? PHASE CURRENT OR LINE CURRENT.

13 Answers Bhel,

what is rating providing of contactor,relay,fuse unit for motor output power

2 Answers

What type of motor is used inside computer CPU.

11 Answers Bhel, TCS,

what is the instrument used for measuring insulator RESISTANCE

5 Answers TATA, Transco,

For more Electrical Engineering Interview Questions Click Here