Which circuit breakers has lowest operating voltage?

Q.  Which of the following circuit breakers has the lowest operating voltage?
- Published on 18 Nov 15

a. SF6 circuit breaker
b. Air break
c. Air blast
d. Minimum oil circuit breaker

ANSWER: Air break

Post your comment / Share knowledge


Enter the code shown above:
 
(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)