A Typical Air Circuit Breaker
Air Circuit Breakers
l Used as Generator and Bus-tie breakers
l Arc extinction takes place in the medium
of fresh air.
l Current capacity – available up to 6300
Amps.
l Breaking capacity – available up to 100
KA.
l Manually/Electrically spring charged
closing. (L&R)
l Manually/Electrically tripped. (L&R)
l Simple to operate and maintain.
l High Dielectric strength even in hot,
humid conditions.
l High degree of system protection and
coordination due to
the use of Micro processor based releases.
(Optional)
l Under voltage Trip instantaneous/time
delay type.
Adjustable
overload settings 80-120% of nominal current.
Air Circuit Breaker Contacts Arrangement/Phase
AIR CIRCUIT BREAKERS
Reviewed by HODO
on
September 29, 2017
Rating:
Reviewed by HODO
on
September 29, 2017
Rating:
