if you asked to choose a ckt breaker from MCB & MCCB for 32A
which one will be best and why??

Answer Posted / nur.asidik

according to my experience, if load continuous current less or equal than 60A, it is better to use MCB, it is easy to install and cheaper. you can select MCB tripping class A,B or C depends on your application.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?

1112


Can Anyone suggest the Standards (IEC or IS) for selecting copper current density?

922


Dear Sir I am living in Jaipur Rajasthan  now I did complete my b tech degree in electrical engineering in 2012  Sir how I gate certificate of competency for electrical supervisor

1590


how to calculate the formula of cable size if motor kw is given

1693


dg earth connect only in the amf panel or not why

1604






Why IR value of the (HT cable Plus synchronous motor) is less while individually having IR values in GΩ?

1353


Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.

1545


At what factor resistance r of a conductor depends?

643


What are the advantages of vscf wind electrical system?

644


what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth

994


Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

1492


What is relation between transmission lines & Communication lines ?

1699


Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.

1237


differnce between single acting and double acting solenoid valves

1407


what is the saturation point of crgo lamination.

1644