what is working of no & nc.

Answer Posted / mahder

No is normally open contact, that means at normal condition
it's open and the after getting energy or after being
energized it will change to closed or it will close it's
normally open contacts.
Nc is normally close contact, Nc have the reverse function
of No, at normal condition it contacts are closed and when
it gets energy(power) it will open it's contacts.

Is This Answer Correct ?    21 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)

1481


What willbe change in programming when we use 5/3 solenoid inplace of 5/2 in operating of a cylinder?

1598


Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

1055


if we run a 3 phase machine on two phase what will happend??? given answer with solid reason please

1588


1. The DC generaror,s induced output emf is connected with a DC motor(as load). when increasing the load of the motor by using brake drum or any way. what are the parameters will changes in both motor and generator(voltage, current, resistance, frequency, speed, torque, power, flux etc...) 2. Similarly for AC generator and AC motor 3. similarly if using DC batteries instead of DC generator, What happens?

1676






The SFC of an engine is 0.25 kg/kW hr. when the fuel used has a calorific value of 36000 kJ/kg. the thermal efficiency of the engine is

1271


why need to be maintain power factor for industrial customer?

4071


High speed earth switch operation with diagram

1871


how many Classification of fire extinguisher

1655


In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?

1584


How many types of probe used in cro?

650


What is your acheivements

1660


Power Factor Correction Panel (Manual & Automatic)

1671


WHAT IS THE TECHNICAL SPECIFICATION OF C CURVE & D CURVE LEGRAND MAKE MCB

2066


Draw the vector diagram and condition for the following: 1) Dyn1 2) Ynd0 3) YnYn0

3155