What's difference between a400amps lt contactor and a400amps lt circuit breaker
Answers were Sorted based on User's Feedback
Answer / mrssa
in contactor when its coil supplied with dc ..the position of its contacts changed n.o to close and n.c to open
contactor is connecting device
c.b is protective device when current increase than rated c.b trip
Is This Answer Correct ? | 2 Yes | 1 No |
Basic difference - CB trips when the trip coil is energized, in csae of contactor , the hold coil is de- energized to trip .
Is This Answer Correct ? | 2 Yes | 3 No |
Answer / sheikh
there are major difference b/w contactor and circuit breaker. contactor has moveable contacts and fixed contacts
while Circuit breaker only have fixed contacts. contactor have become energized when it,s coil would be got supply or been energized. however these are 2 different things.
Ampacity may be same both of equipment.
Is This Answer Correct ? | 3 Yes | 4 No |
how can we check a fully charged battery?
6 Answers BEML, Singareni Collieries,
Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?
why elcb used in circuit
A 2D array X(7,9) is stored linearly column wise in a computers memory.Each element requires 4 bytes for the storage of the value.If the first byte address of X(1,1) is 3000,what could be the last byte adress of X(5,8)?
How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).
in transfomer which type of oil is use!
Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.
What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection
How will calculate losses in an multi core Aluminium LT cable of different sizes & upto what length we can use a LT Cable ?
What is Black-out and Brown-out situation in the context of voltage stability in power system?
How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.
Difference between stepper motor & induction motor.