What is the difference between MCB & MCCB,
Where it can be used,

Answer Posted / vivek

At First MCB & MCCB Full Name is Miniature Circuit
Breaker and Modulated case Circuit Breaker...

MCB : Application For those machine and euipement
Whose is proction over Thermal Over load Protion and very
low sencitivity of Short Circuit protection. You can
Calculated with Charactaristic Curve.. ....

MCCB :Application For those machine and euipement
Whose is proction Over High Thermal Over load Proction and
Very High Secitivity of Circuit protection.

Is This Answer Correct ?    47 Yes 21 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Actually I have a doubt on neutral and earth.we use Ac power without taking neutral by connecting to earth,but at that time does it affects on efficiency of any electrical components or no? If yes how?

952


I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

1629


Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not

1201


what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?

2835


How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

1714






sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers

1499


How much of the total hydro power potential has been exploited so far in india?

626


I am using submission of two ct in one and half scheme for 67/67N protection. Both CTs star point is grounded separately near ct box.Will two point ground give wrong tripping to 67/67N during fault or no matter.

1649


WHAT IS THE FAULT WHEN 100HP TURBINE MOTOR TRIPS, LIST THE FAULTS AND ITS TRABULESHOOTING TIPS.. MY AUTO TARNSFORMER STARTER TRIPS

1623


What is the use of lag compensator?

669


How would your past experience translate into success in this job?

6454


why output is out of phase in case of common emitter?

1668


Define gain margin?

716


what is the difference between skin effect

1725


what is PWM in IGBT and how it works for drive.?

1231