what is the ka rating of mccb.
and how it is decided .
Answer Posted / aditya shirbavikar
The rating of any circuit breaker is decided on the basis of its breaking capacity. so, the KA rating of MCCB is the unsymmetrical breaking capacity for a particular time.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?
What are the types of windings according to the construction?
Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer
draw singleline diagram of star to delta and dol starters
HOW TO CALCULATE HV TEST VOLTAGE FOR ELECTRICAL EQPT.
what is the breaking capacity and making capacity of circuit breaker and how
IF DISTANCE IS 100METERS B/W AMP.METER AND CURRENT TRANSFORMER WHAT WILL BE AFFECT IN ACCURACY .METER CAN SHOWING ACCURATE CURRENT OR NOT IF NOT WHAT CAN I DO TO GET 100% ACCURACY.
hi guys please tell me the procedure for mesuring the coil resistance of 3ph induction motor?
Why use the vcb at high transmission system ? Why can’t use acb?
what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.
What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer
I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.
what is the difference between RMS & TRUE RMS VOLTAGE
WANTCONTACT NUMBER & EMAIL/ WEBSITE TO CONTACT THE SECRETARY,MADHYA PRADESH LICENSING BOARD(ELECTRICAL),K- BLOCK,3RD FLOOR,SATPOODA BHAWAN,BHOPAL
'documenˁ