Hi I’M KUNIK. IN THIS CHANNEL I WANT TO HELP THOUS WHO ARE NEW IN INDUSTRIES AND STUDENT .SO THAT THEIR PROFESSIONAL JOURNEY BECOME SMOOTH.br br IN THIS VIDEO I TRY TO EXPLAIN ONE OF THE COMMON FAULT HAPPENED IN AIR CIRCUIT BREAKER ( ACB ) . AN DHOW CAN YOU CORRECT IT . I HOPE IT WILL HELP YOU.