procurement of spare of switch gear for wagon tippler at sgtps mppgcl birsinghpur , as per tender schedule , power contactor: model 3tf56 , 400amp , 125kw , auxiliary contactor ( air brake ) : model 3th8031-0a , rating -220vac , 10 amp & 500v ac 04 amp , auxiliary contact 3no +1nc , auxiliary contactor ( air brake ) : model 3th8253-0a , rating -220vac , 10 amp & 500v ac 04 amp , auxiliary contact 5no +3nc , ac1 thermal current ( ith ) 16 -amp , mpcb ( motor protection circuit breaker ) :model no . 3vu 1340-1me00 , range . 4amp -0 . 6amp , mpcb ( motor protection circuit breaker ) : model no . 3vu 1340-1mf00 , range 0 . 6amp -1 . 0amp , mcb ( miniature circuit breaker ) : rating 6 amp , mcb ( miniature circuit breaker ) :rating 10 amp , on delay relay: type 7pu 2240-1bn32-0z , on delay , contact rating 240vac 05 amp , supply-220/240v ac/dc , time delay range 0 . 6-6 sec , on delay relay: type 7pu 2240-2bn32-0z , on delay , contact rating 240vac 05 amp , supply-220/240v ac/dc , time delay range 6-60 sec , time delay relay: series em 1000 , auto reset synchronous timer , motorized , contact rating 240v ac , 6 amp , motor/clutch 240v ac 50hz , time delay range 0 . 3 sec to 06sec . , time delay relay: series em 1000 , auto reset synchronous timer , motorized , contact rating 240v ac , 6 amp , motor/clutch 240v ac 50hz , time delay range 3 sec to 60 sec . , overload relay: 3ua5000-1f , range 3 . 5-05 amp , type 3na , overload relay: 3ua5000-1f , range 0 . 8-1 . 25amp , type 3na , overload relay: 3ua5000-1f , range 3 . 2-05 amp , type 3na