bids are invited for boq title procurement of spares total quantity-limit switch , pn:4109764020 , siemens limit ( snap ) switch, for spring charging motor for 3ak type 12kv, 1250a, 40ka for 3 sec vaccum ci rcuit breaker manufacturer: siemens part no : 4109764020 complete vacuum circuit breaker mounted on removable trolley along with the contact arms, type 3ak6, 1250a, 7.2kv, impulse- 60kvp, breaking current- 40ka, spring charging voltage:240v ac, 50 hz, close & trip coil voltage:220v dc, electrical spring charge indication limit sw, with anti pumping contactor, auxiliary switch-11no+11nc, plug & socket- 64 pin, mech on / off ( ind +pb ) , ( cont+ spr crg ind ) , type:- 3ak6532a-affa-apf2, 3nos. of potential transformer will be mounted on the breaker trolley rating of pt- make: siemens. 3 nos. of potential transformer will be mounted on the breaker trolley rating of pt-6600 / rt3 / 110 / rt3 / 110 / 3v, secondary:50 va class:0.5, ter :50 va class:3p ( star open delta ) , vf:1.2 cont & 1.9 for 8 hrs. vacuum contactor, 3tl8100-3bh55, siemens rated voltage: 7.2 kv, impulse voltage to earth: 60 kv, impulse voltage across open contact: 40 kv, power frequency withstand voltage rating: 20 kv, rated current: 400 a, solenoid coil: 220 vdc, auxiliary contact: 4n / o + 4n / c, mounted on the trolley with all accessories, similar to the existing installed vcus at htmccs of cob-11 area manufacturer :siemens part no :3tl8100-3bh55 lock washer kit, 3ah3315-2, siemens for vacuum circuit breaker, voltage rating: 33 kv, current rating: 1250 a manufacturer :siemens type / model :3ah3315-2 plug, siemens with socket, number of pins: 64, for vacuum circuit breaker, voltage rating: 33 kv, manufacture: siemens on / off release, 3ay1510-3e, siemens voltage rating: 110 vdc, for breaker manufacturer :siemens part no :3ay1510-3e type / model :3ak auxiliary switch ( s1 ) , 4392133073, siemens configuration: 6no+6nc, for 3ak vacuum circuit breaker, 12 kv, 1250 a, 40 ka for 3 sec ma nufacturer :siemens part no :4392133073 contactor, anti-pumping, pn:3th30220bm4 2 no+2 nc 220 v dc ( 3th30 22 0bm4 ) for 3ak type 12kv, 1250a, 40ka for 3 sec vaccum circuit br eaker manufacturer : siemens part no : 3th30220bm4 : 29