procurement spares for esp controllers of unit no . 3and4 , 2x660 mw , sstpp , stage-ii , mppgcl , dongalia , distt . khandwa , spare for tr-panel , ht porcelain bushing with metal parts & gaskets part no . as per ador:6000009200 , lt porcelain bushing 1kv/ 630 ma with metal parts & gaskets part no . as per ador:4815000040 , bimetal thermometer , range 0-120 deg c , with 2 nc contacts part no . as per ador:5630000370 , feedback card part no . as per ador:4601000900 , bridge rectifier assy . part no . as per ador:4600002350 , resistor ( omega make ) card assy . ( 105kv ) part no . as per ador:4610009490 , gas & oil relay , double float with 1nc contact for alarm & 1nc contact for trip ( 2nc ) part no . as per ador:4816000330 , pressure relief valve , operating pressure 0 . 3 +/- 0 . 05 kg/ cm . sq . part no . as per ador:5630000250 , magnetic oil level indicator with low level alarm switch part no . as per ador:5630000360 , wire wound resistor , 25 ohms , 50w part no . as per ador:4411004160 , w . w . resistor , 25 ohms , 25w part no . as per ador:4411000950 , surge protection capacitor 4uf part no . as per ador:4415002440 , mixed dielectric capacitor , 0 . 22 uf part no . as per ador:4415003780 , control transformer data 628 , pri: 415 , si: 110-120vac/0 . 5 a part no . as per ador:4206006210 , control transformer data 637 , pri: 415 , si: 110-120vac part no . as per ador:4206006390 , thyristor module , 570 a , piv: 1600 v part no . as per ador:4401001040 , doc iv controller part no . as per ador:6000011270 , keypad display for doc iv controller part no . as per ador:6000011340 , toroidal current transformer data 652 part no . as per ador:4012000170 , potentional transformer data 651 part no . as per ador:4206007440 , mcal- voltmeter part no . as per ador:4601007120 , mcal ammeter part no . as per ador:4601007510 , rc network card part no . as per ador:4601001360 , ovp assembly part no . as per ador:4601003730 , spare for rapper panel , power transformer , pri: 415 v , sec:0- 240/250/260/280/300 v part no . as per ador:4206006320 , control transformer , pri:415 v , sec:120 v , 500va part no . as per ador:4206006330 , transformer data no . 608 , p: 415v ac , si: 120vac part no . as per ador:4206002310 , display keyboard for rapper controller part no . as per ador:6100000140 , rapper controller- power supply board part no . as per ador:6000012110 , rapper controller- power board part no . as per ador:6000012100 , rapper controller- output cards part no . as per ador:6000012090 , rapper controller- power module part no . as per ador:6000012080