What's difference between a400amps lt contactor and a400amps lt circuit breaker
Answer Posted / 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 |
Post New Answer View All Answers
hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...
how we can set the IDMT relay.
Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.
What mean by MLTP
How to do maintenance of transformer feeder.
What is the difference in calculating size of AC cables compared to calculating size of DC Cables? Usually DC Cables are larger than AC Cables although they have the same ampacity. Why is it?
The power supplied to a 50mH inductor from a 120V, 60Hz source will be
what is rocking arrangement in arc heating
Working of microwave oven?
DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT
How many double suspension hardware fittings are required on a double circuit transmission tower?
checking procedure of capacitor based motors.used in fans etc?
why starting current is high and resistance is almost 0 during the starting of motor dc motor...?
How to design the earth grid for lightning protection in an industry
On what cycle does thermal power plant operate?