what is importance of ka in mccb
Answers were Sorted based on User's Feedback
Answer / sami thamer
the value of the (KA) in (mccb) represent the resistance to
current rising occuring at the short circuit or at
earthleakaging.
Is This Answer Correct ? | 8 Yes | 4 No |
Answer / utsav datta
KA denotes the s/c current breaking capacity of the circuit
breaker under s/c condition.
The improvisation is actually resistance to current rising
at s/c.
Is This Answer Correct ? | 6 Yes | 2 No |
how to calculate the bus bar current rating
Explain the Term in CT Name Plate – Class: 5P10
Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?
IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?
How to write a progrramme to turn ON and turn OFF a motor with a single push button in AB?
2 Answers HCL, Torrent Pharma,
What is the difference between acs 550 & acs 850
In Star type and Delta type Motors, If one phase will miss/Break then which phase winding will burn and why?
What is the operational principle of direct current current transformer and direct current potential transformer?if possible plz reply with ckt. diagram.
What is meant by rating error prevention in breaker??
What is duty cycle and protection class?
Relation between magnetic field strenght and magnetic induction is a) Voltage b) current c) Speed d) tarque
DG cranking voltage?