Whot is the difference between MCB and MCCB.Whot is the
selection critearea for MCCB and MCB for 63 Amp.
Answer Posted / srinivas
MCB MEANS MINIATURE CIRCUIT BREAKER IT IS USED FOR SMALL
QUANTITIES.
MCCB IS MOULDED CASE CIRCUIT BREAKER IT IS USED FOR LARGE
AMOUNT OF POWER.
| Is This Answer Correct ? | 14 Yes | 2 No |
Post New Answer View All Answers
which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
What will be the current if the resistance total in a series circuit doubles?
ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?
Why does the rotor rotate?
how much excitation voltage required to generate 1mw power?
any one can explain the stages of a knee point which is taken during ct magnetising curve.
There are a trformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?
What will be the voltage regulation of a full load and 0.80 power factor lagging load transformer when a two winding single phase transformer has a voltage regulation of 4.5% at full load and unity power factor?
what purpose to use excaiter in DG.?
How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?
WTA used cb?
In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.
what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable
Define Electrical Insulation and examples of Solid,Liquid and Gaseous insulating materials?
CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor