What is the difference between MCB and Earth MCB? What is
the working principal of MCB?
- 2 Answers
- 4153 Views
- I also Faced
- E-Mail Answers
Answer Posted / mandeep kumar
Mcb is used in protection against shortcircuit & Overload
current where Earth MCB is used for leakage current.We may
say leakage current as Residual current.Residual means
difference of two currents.MCB works on the principal of
Cantilever Principal & Electromagnetic Induction .
| Is This Answer Correct ? | 5 Yes | 0 No |
Post New Answer View All Answers
Why negative feedback is preferred in the control system?
what happen as when voltage drop(or may decrease) ? in case of atomic base theory?
If we connect a motor and generator together (I mean that the generator gives the motor electricity and the motor gives the generator movement) regardless the losses. Will the generator still generate and the motor still move?
what about SAP/MRP regarding manufacturing of electric motors and all drives?
if voltage bt phase & nutral is 38v in a panel board . whats the root cause.
what is harmonics? what are the factors it will depend upon
When steam condenses and becomes water at the same temperature, the specific heat for the process in kJ/kg k is
why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain
What is the formula to calculate the no load current of a single & three phase induction motor
At what factor resistance r of a conductor depends?
I am an American living in Vietnam and I have recently gotten a refrigerator from Japan and it is rated for 100 vac, but the power here is 220 so I bought a voltage stabilizer it has a 1 kva output rating. Can you please tell me what the amperage is? I'm confused and without a working fridge.
What is meant by sag?
why normally Generator rating are between 11Kv to 22Kv?
can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent
How much earthing frequency is capable?
