What is difference between MCB,MCCB,ELCB and RCCB?
Brief description and why RCCB is costly?
Answer Posted / waqa ahmed
mcb
miniature circuit breaker
mccb
moulded cage circuit breaker
elcb
earth leakage circuit breaker
Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
what is the formula for computing cable tray size & capacity
Define average demand?
What is servo motor? what is its purpose?
how test transfomer(3 phase75kva) by megger
Can you please explain creepage distance in detail, for a 6.6kV cable head what must the distance be and how do you determine it?
What is Surge Capacitor? Why it is require in Generator Circuit Breaker,inspite of surge arrester?
What is the principal of motor?
What is Scheme Test of High Voltage Switchgear. Which tests it includes.
Which of the following alternatives will be cheaper (1) A 100 h.p AC, 3-phase motor (2) Four motors of 25 h.p each (3) Five motors of 20 h.p each (4) 10 motors of 10 h.p each explain
How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer
In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?
How to calculate the Efficiency of Chiller
Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?
what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?
For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?