how to select a breaker (MCB,MCCB,ELCB) for 18.5 kw, 3 ph.
480 v, 60 hz induction motor?
Answer Posted / s.k.sharma
MCB are used for small power application; usually used in the household appliances current rating is 5A.
MCCB are used in high power application in generation station above 100A;Rarely used but the most common used in industries is MPCB variable Rating of current adjust according to the load current of the the appliances. don't know about the ELCB just cheak out on Wikipedia...
Is This Answer Correct ? | 10 Yes | 22 No |
Post New Answer View All Answers
what is the voltage between earth to neutral in lift.
How to decide cable tray size?
what is ps impedance test
in dc series motor if field wdg is shorted then
what are the different methods for the starting of a synchronous motor.
Why transformer used in UPS??
how can motor both beasrings insulation resistance can be check?
what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?
Why an ac systems are preferred over dc systems?
How to choose size of the cable w.r.to current carrying capacity ...
What are the different types of dams?
Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?
Ceiling Fan and Storage type water heater. Discuss
can we use trip light with bus coupler?
Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..