procurement of electrical items of ekg shovel , at jk area , procurement of electrical items for ekg shovel , at jk area , mrp-motor protection relay suitable for 5a current of secondary winding of c . t . with 1no . +1nc . anx . contacts suitable for 230v ac supply to provide phase unbalance , single phasing , overload earth fault and stalling protection to 250 kw motor type- ctmm502df119a part no . 5530900195 , moulded case circuit breaker , 3 pole , 230v , 50hz , 160a , with over load setting range 50-100% and instantaneous magnetic release . 2c / o aux contacts with thermal release . type- lm 160c part no . 5530900196 , moulded case circuit breaker , 3 pole , 230v , 50hz , 50a , with over load setting range 50-100% and instantaneous magnetic release . 2 c / o aux contacts with thermal release . type- lm 100c part no . 5530900201 , moulded case circuit breaker , 3 pole , 230v , 50hz , 25a , with over load setting range 50-100% and instantaneous magnetic release . 2 c / o aux contacts with thermal release . type- lm 100c part no . 5530900200 , cb1-motor protection circuit breaker , 3 pole , 230v , 50 hz , 25a with adjustable thermal release 3 . 2-5a with 1no . +1nc . aux . contacts . type 3vu13 part no . 5530900197 , cb3-motor protection circuit breaker , 3 pole , 230v , 52 hz , 25a with adjustable thermal release 18-25a with 1no . +1nc . aux . contacts . type 3vu13 part no . 5530900265 , cb2-miniature circiut breaker , 2pole , 230v , 50hz , 5a part no . 5530900198 , c6 air break contacter , ac3 duty , 415v , 110a , 50hz , 3pole with 220v ac coil type-ml6 part no . 5530900205 , thr3-bimetal thermal over load relay thermal setting range 16-25a with 1no+1nc aux . content . part no . 5530900207a , elcb1-elcb , 16a , 2 pole , 1no+1nc aux . contect . touch voltage: 24v , sensitivity:300ma part no . 5533900478 , elcb3-elcb , 32a , 3 pole , 1no+1nc aux . contect . touch voltage: 24v , sensitivity: 300ma part no . 5533900480 , elcb5-elcb , 25a , 3 pole , 1no+1nc aux . contect . touch voltage: 24v , sensitivity:300ma part no . 5533900482 , elcb8-elcb , 63a , 3 pole , 1no+1nc aux . contect . touch voltage: 24v , sensitivity:300ma part no . 5533900485 , elcb9-elcb , 16a , 3 pole , 1no+1nc aux . contect . touch voltage: 24v , sensitivity:300ma part no . 5533900486 , olrh-over load relay for hoist with coil voltage 48v dc , 2no+2nc contacts , pick up voltage 21v 1v dc type-mtam / vr821 part no . 5530900224 , olrc-over load relay for crowd with coil voltage 48v dc , 2no+2nc contacts , pick up voltage 21v 1v dc type-mtam / vr821 part no . 5530900225 , olrs-over load relay for swing with coil voltage 48v dc , 2no+2nc contacts , pick up voltage 20v 1v dc type-mtam / vr821 part no . 5530900226 , hclb , cclb , sclb-current limiting block for hoist , crowd and swing to limit the loop current in conjunction with magnetic ampliifier current limiting winding part no . 5530900234 , mah-magnetic amplifier for hoist drive part no . 5531010010 , mac-magnetic amplifier for crowd drive part no . 5530900714 , mas-magnetic amplifier for swing drive part no . 5530900713 , control swicht , 110v , 7 . 5a d . c . , 3 position 4sections , with 8 double break contacts and pistol grip handle part no . 5530900235 , electro pneumatic pilot valve with 110v d . c . coil , 100% cdf , equivalent to soviet type-bb-32wt . part no . 5531070090 , lvcc-low voltage current collecter 500v , 50hz , ring type with 10 rings part no . 5530900250 , ht shoe brass plate with bolt part no . 4446703