procurement of spares for abc make acb 300 amps . , acb complete with ct and incoming & outgoing lead , part no . cb / 300bc , fixed contact , part no . cb / 300b / 1 , moving contact , part no . cb / 300b / 2 , new control panel assembly with 750ma earth leakage relay , part no . cb / 300c / ma . , auxiliary transformer ( 100 va ) , part no . cb / 300c / 1a , earth leakage relay 750 ma , part no . cb / 300c / 3ma , part no . cb / 300c / 3ma , test micro switch , part no . cb / 300c / 5 . , isolator on / off , part no . cb / 300d / 1hd . , sensitive cbt for e / l relay 750 ma , part no . cb / 300d / 2ma , current transformer for o / l , part no . cb / 300d / 3d , current transformer for ammeter , part no . cb / 300d / 3e , moving contact carrier , part no . cb / 300b / 3 , fixed contact carrier , part no . cb / 300b / 4 , arc chute , part no . cb / 300b / 5 , short circuit trip assly . , part no . cb / 300b / 6 , short circuit link , part no . cb / 300b / 7 , link gear mechanism , part no . cb / 300b / 13 , control panel assembly , part no . cb / 300c , earth leakage relay mech . latch type , part no . cb / 300c / 3 , resistance , part no . cb / 300c / 6 , bridge rectifier , part no . cb / 300c / 9 , emergency trip relay , part no . cb / 300d / 23 , isolator on / off , part no . cb / 300d / 1 , isolator moving contact , part no . cb / 300d / 1a , isolator fixed contact , part no . cb / 300d / 1b , incoming lead cb , part no . cb / 300d1 / 6c , outgoing lead cb , part no . cb / 300d1 / 7c