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

Answer Posted / seshagiri204

MCB is Simply a Mechanical Switch which makes or breakes the circuit by hand. In other words MCCB is a current sensing device which detects the abnormality in the circuit and trips the circuit. Today many of them are using MCCB only. And further As for as fault concern it is better to select MCCB

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.

1706


what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

3025


Name one of major transformer company in KSA ?

750


how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable

1054


how to calculate the lightning arrester conductor @ no of earth pits required

1601






why we use circuit breakers for switching instead of normal switching device?

1417


what is the difference between torque induced and torque load?compare them with respect to dc motor?

1579


what will happen if there is a voltage leakage or current leakage in an electrical train

1503


If SFU is Switch Fuse Unit, What is the expansion for FSHF in Electrical Engineering?

2053


if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

1547


please send me the previous year's question papers of jindal GET exams

5510


Whar is the KvA rating of 33Kv substation & actual kv rating of power generaating station.

1879


How can i get my certificate of competency as an electrical supervisor? I have complicated my B.Tech from Uttarakhand technical university this year (2012).

3996


How to configure the drives in PLC, through Profibus commnication. And to how to address it?

2357


What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor

969