whta is difference between contactor and breaker.

Answer Posted / dinesh chaudhary

contactor is simply used to make the contacts between two
ckts of low rating while breaker works when relay commands
i.e. relay is used as a sensing device which sense the
abnormal condition & command to the ckt breaker to brek the
ckt.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

block diagram of 2 ups system connected in hot stand by mode?

7493


how could we calculate the no of outgoings from a 800 watt distribution board

1261


is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

4148


In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.

1514


what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.

17419






What is PEC??Applications........

1510


Explain the process of commutation in a dc machine.

607


How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?

3012


how we explain parallel paths armature winding?

1458


Why hydropower stations are preferred solution for meeting peak loads in grids?

575


why does connected a indutor with mnsformeretering core of current transformer ?

1644


details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?

1453


Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?

1674


why and how voltage sharing in transformer, during magnetic balance test ?

1809


1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)

1421