supply of prabhu spares prabhu switchgear spares , vacuum circuit breaker rated 3 . 3 kv , 400a , 13 . 1 ka , fixed version , manual spring assisted type . , drive mechanism , shunt trip assemmbly with coil , solenoid operated spring release assembly with coil . , vacuum interruptor 400a , , epoxy cast drive insulator for v . i , auxillary switch for vcb , isolator 3 . 3kv , 400 a complete , moving contact for isolator ( 03 sets for 03 phase ) , fixed contact for isolator ( 03 sets for 03 phase ) , auxilliary transformer for control circuit , earth leakage relay , epoxy moulded core balance transformer 3 . 3kv , solid state overload & short circuit relay with time delay , under voltage relay with time delay , auxilary contactor 3no + 1 nc 110v coil , diode based rectifier complete , epoxy resin cast ct for short circuit relay & overload , p . t fuse-3 . 3 kv , brass gland complete with stud & nut . , h . t . bolt for main lid & isolator lid size m10x30 , h . t . bolt for terminal chamber cover size m8x20 , m . s . meter fixing plate fitted with 01 no . ammeter , 01 no . voltmeter & 04 nos . indication lamp complete , throughgoing copper busbar 630a ( set of 3 )