What is the difference between Contactor and Circuit
breaker ?

Answer Posted / sumit patel

There are two main difference bet'n contactor and circuit braker
1) contactor is used for low voltage while CB is used for high voltage.
2) contactor only make contact between line and load.there is no tripping mechanism. while in CB is current operated device.which has a tripping mechanism.

Is This Answer Correct ?    4 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)

1725


sir i completed apprentice in TNEB.apprentice is eligible for 'c' licence

1735


I am a electrical engg. diploma holder,applied for junior engineer (electrical),Kolkata RRB. Have I to attend all electrical,mechanical&civil portion in written exam.???

15290


The electrical energy required to raise the tempreture of a given amount water is 200 kwh. If the heat losses are 20%, the energy required is?

1614


why is the power generator connected as star earthed or star earthed through reactance and what its features ?

1269






what is the difference between delta delta and star delta connection transformer? why we use delta delta transformer since it need earthing transformer for grounding?

1725


why on delay timer used for fully automatic star delta starter?

1306


with help of neat sketch explain principle of TIG welding process

1564


What is the test block protection relay if any body know plz explained

1111


If we have to feed a housing complex having load 8MVA, than what would be the better option, either we first step down 33kv supply into 11kv & than 430v or we proposed no of 33/.44 kv transformer, also which option is economical?

1789


critically criticize the application of ring main unit in power system

1107


what are inductive and capacitive voltage transformers.what are their applications

1588


What is the difference between circuit breaker and isolator

819


What is kirchoff ’s current law (kcl)?

732


How dia computation perfomed in cold rolling mills .

2686