Tender For supply of e4653108 for magnetics of auxiliary converter for kolkata metro project : : - e4653108 magnetics 01-bp9048116651-input filter inductor for auxiliary converter as per item-1 of ps407575 rev00 , 02-bp9048116660-buck converter output inductor for auxiliary converter as per item-2 of ps407575 rev00 , 03-bp9048116678-sine filter inductor for auxiliary converter as per item- 3 of ps407575 rev00 , 04-bp9048116686-dc-dc converter resonant inductor for auxiliary converter as per item-4 of ps407575 rev00 , 05- bp9048116694-filter inductor at bridge rectifier output for auxiliary converter as per item-5 of ps407575 rev00 , 06-bp9048116708-switching inductor for buck chopper for auxiliary converter as per item-6 of ps407575 rev00 , 07-bp9048116716- high frequency transformer for auxiliary converter as per item-7 of ps407575 rev00
Tender For supply of auxiliary relay main 1 and 2 , group b trip relay 86a 86b , auxiliary relay dc co 80co , auxillary relay carrier healthy cox1 and cox2 , distance protection relay m1 multilin d60 , dc hyphen 1 supervision relay 80dc hyphen 1 , trip relay a by r and l by o relay 86 trip relay 96a by b , bcu ds agile c264 , auto reclose p40 agile , control relay ttx , ctrl relay e by r and l by b trip transfer relay ttx3 ttx4 , bb protection peripheral unit pu , group b trip relay 86 a 86b , transformer differential protection relay 87 m1 p643 , bcu hv ds agile c264 , bcu mv ds agile c264 , ctrl. relay e by r and l by b hv trip transfer ttxh1 , ctrl. relay e by r and l by b hv trip transfer ttxh2 , ctrl. relay e by r and l by b mv trip transfer ttxm2 , backup o by c and e by f protection 50 by 51b trip relay 86g p40 agile , bcu lv ds agile c264 , 30abc 30 def hv by lv oti wti prv trip , ctrl relay e by r and l by b mv trip transfer ttxm2 , gps with time display , line differential relay m1 multilin l90 , bus differential relay multilin b90 , bus differential relay multilin b90 , red box , 87cu bus bar prot central unit , patch cord st hyphen st hyphen 5 meter , patch cord fc hyphen fc hyphen 5 meter , patch cord fc hyphen st hyphen 5 meter , patch cord st hyphen lc hyphen 5 meter , patch cord st hyphen lc hyphen 10 meter , patch cord st hyphen st hyphen 40 meter , patch cord st hyphen st hyphen 30 meter , patch cord st hyphen st hyphen 10 meter , gbsasesh400131ms1 hirschman mar1120 , gbsaseh50d3arccs10 hirschman mar1130
Tender For tender for supply of enm electricals spares item e e - spout bushing insulator w/stud 800/1250a , magn. contact or coil 110v.170amp3tf 5402 , no volt coil under voltage coil , rose contact , brass cable gland complete , auxiliary transformer 400va pri-500/52 , bshg outgng insultr 11kv , 800/400a , contact fixed
Tender For supply of spares for electrotechnica panels and breakers d d ? g? g-- shunt trip coil assembly part no v0021 , elect. release coil assly part no v0022 , auxillary switch assembly part no v0024 , soloinoid coil for closing mechanism part no v0025 , closing contactor for solenoid part no v0027 , flex connector part no v0028 , breaker terminal top part no v0029 , support insulator assy part no v0031 , secondry plug and socket part no v0032 , isolating spout part no v0033 , isolator spout for draw out part no v0034 , drive insulator for vcb part no v0041 , push to trip assy part no v0042 , draw to trip assly for drawout vcb part no v0046 , vacuum interrupter part no v0048 , vacuminterrupters 6.6kv part no v0048 , operating mechanism part no om009 , spring for operating mechanism part no om0010 , indicating lamp part no p0043 , push button switch part no p0044 , trip neutal close switch part no p0045 , ammeter or voltmeter selection switch part no p0046 , rectifier capacitor unit part no p0048 , earth leakage relay part no p0049 , master trip relay part no p0052 , potential transformer 3 phase 6.6 kv by 11 part no p0056a , auxiliary contactor 110 vac part no p0061 , 3point 3kv grade resin cast current transfor part no nvcbp0043 , current transformer 3point3 kv grade resin part no nvcbp0042
Tender For supply of circuit breaker for tm blower and oil cooling unit transformer / converter (pos. no. 53.1 and 59.1) type-17 with of-of auxiliary contact as per clw specification no. clw/es/3/0096 alt-j or latest.
Tender For bid to ras annual repair and maintenance of sub station : : - replacement of 1 kg silica gel breather metal body type , replacement of transformer oil 120 ltr , labor charges only for indoor 400 kva transformer and oltc stream line high vacuum oil filtration and dehydration of site off load 3 circulation 700 plus 210 ltr i.e 910 ltr x 2 i.e1820 ltr , breakdown voltage test transformer and oltc before and after test 4x2 i.e 8 nos , acidity test transformer and oltc before and after test 4x2 i.e 8 nos , testing of buchholz air relay testing 2 transformers , olts servicing drainage of old oil 210 ltrs , moving , fixing contact alignment , rolling contact testing in servicing. carbon rust cleaning and refitting the same , transformer buchholz relay and pipeline planch oil leakage arresting drainage of old oil , new gasket fixing oil leakage arresting refitting the same. topping of oil level , transformer h. t and l. t cable box ht and lt cable megar testing , transportation to bring testing kit to the site to and fro , and site halting charges , earth electrode testing , lt acb servicing and testing charges , ht vcb incoming outgoing transformer 1 and 2 serving and testing , auxiliary relay testing , high speed tripling relay test
Tender For day to day operation, emergent repair maintenance of 11kv/415v, 3phase, 2x500 kva indoor substationtransformers including lt panel etc of pts salua under paschim medinipur district for the financial year 2025-26. (1st call)
Tender For outsourcing of psi maintenance activities at 25kv ac traction sub-stations & feeding posts (04 nos.), switching stations (sp/ssp) (21 nos.) and auxiliary transformer (142 nos.) of kwae - az, bdc - kwae, bwn - kwae and kwae - amp section in howrah division of eastern railway (24 months).
Tender For supply of spares for abc make acb 300 amp pac bid d d ? g? g - ammeter ring with glass part no cb300d8 , shunt trip coil under voltage coil part no cb300b15 , trip bar assy part no cb300d12 , insulator fixed contact bar part no cb300b10 , insulator moving contact bar part no cb300b11 , auxiliary transformer 100va part no cb300c1a , earth leakage relay with 750ma part no cb300c3ma , arc chute acb 300amps part no cb300b5 , test microswitch cb300c5 part no cb300c5 , isolator on off heavy duty part no cb300d1 , ampere meter part no cb300d4 , control pannel assly cb300c part no cb300c , air circuit breaker assy comp with ct part no cb300bc , sensitive cbt for e l relay 750ma part no cb300d2ma , current transformer for overload part no cb300d3d , current transformer for ammeter cb300d part no cb300d3e , link gear mechanism part no cb300b13 , outgoing terminate part no cb300d12c , air circuit breaker subassly part no cb300b , isolator on off heavy duty part no cb300d1hd , ammeter 300a part no cb300d4 , e l lamp holder with lamp part no cb300d5 , test reset key cb300d10a part no cb300d10a , ht bolt or top cover cb300d11a part no cb300d11a , ht bolt for cable box part no cb300d11b , bush insulator for outgoing interconne part no cb300d21a , bush insulator for through going incom part no cb300d21