Procurement Of Protection And Auxiliary Relays Spares 1. bkr contact mult relay contact mulitpication relay, type: vajc, model:vajc11bf8305ach, reset volts:220/230vdc, operating volts: 220/230vdc, make: areva/alstom/ge, 2. no voltage relayno voltage relay, type: cv2dj, art no.:1myn563630-ebd, aux voltage:220vdc, make:abb, 3. tcs relay trip circuit supervision relay including external resistors, flush type panel mounted, type: vax mk.ii, model:vax31zg8075bch, vx(a):220-250vdc, vx(b):220-250vdc, vx(c):220-250vdc, make: alstom, 4. master trip relay-vajhm high speed master trip relay, flush type panel mounted type:vajhm23zg41d, aux voltage:220vdc, make: alstom, 5. under voltage relay-pn8n under voltage relay, flush type panel mounted type:pn8nch2js, aux voltage:110vac, art no.1myn563612-mad, make: abb, 6. interposing relay-oen-38d interposing relay, type: 38d-2-24-sld having 2c/o, 24vdc coil voltage with led indication, din rail mounting type with suitbale base, contact material: silvedr alloy, make: oen, 7. bistable relay 14n breaker contact multiplication relay with base, type: psu14n-2x, voltage-220vdc, art no.1myn563620-eba, make: abb, 8. bistable relay 6n breaker contact multiplication relay with base, type: psu6n-x, voltage-220vdc, art no.1myn563617-eaf, make: abb, 9. instantaneous uv relayvagm instantaneous under voltage relay, flush mounted, model: vagm22af171g, vn:110vac, 50hz, setting range: 44,51.3,58.6,65.9,73.2,80.5,88 volts, aux voltage: 220vdc, reference sl no.33194168/02/15, make: alstom, 10. definite time delay relay vtt definite time delay relay including external resistors, flush type panel mounted, model: vtt11zg8053bch, vx 220 to 230vdc, timer range: 0.5,1,2,3,4,5 secs, reference sl no.32409043/01/13, make: alstom, 11. numerical motor prot. relay numerical multifunctional motor protection relay with breaker control, protection elements-thermal overload (49), phase over current (50 and 51), earth fault (50n and 51n), under current (37), unbalance/nps (46), phase sequence (47), load jam (50p lj), locked rotor (50s and 51lr), under voltage (27), over/under frequency (80 o/u), no of start protection (66) , ct supervision, trip circuit supervision (95) pre and post, breaker failure (50bf), broken rotor bar detection and fft data, metering and monitoring current,voltage, power energy,pf, frequency, stator and thermal capacity used, relay and logic settings software, analog inputs-4ct and 3vt with neutral having 1a secondary current input with secondary thermal current of 100a for 1 sec, analog sampling frequency 32 samples/cycle, user/site configurable leds, aux voltage 110 to 250vac/vdc, dry o/p contact 2no and 1c/o dry contacts breaker close and start inhibit permissive contact, voltage protection accross o/p contacts, user configurable 4 nos optoisolated control inputs, conformal coating for pcb, demodulated irig-b time synchronisation input, sequential event 512 time tagged events, all data to be stored in non volatile memory, broken rotor bar detection (bbd) event reports and fft data, communication protocol rs232 or usb front with data speed of 300-38400 bps, rear port ethernet port (rj45) 10/100base, iec61850 & modbus protocol, front panel visualisation lcd display with programmable leds and push buttons, navigation keypad, communication and fault analysis software, communication cable, printed manual, enclosure ip65 flush/panel mounted, operating temperature minus 40 deg c to 85 deg c, 10years unconditional warranty for all material and workmanship defects, type:sel710, make: sel/siemens/abb/asltom/ge/equivalent, 12. numerical feeder prot. relay. relay numerical multifunctional feeder protection relay with breaker control, protection elements phase over current (50 and 51 with 2 stages), earth fault (50n and 51n) with two stages, under voltage (27), ct supervision, trip circuit supervision (95) pre and post, check synchronism (95), breaker failure (50bf), metering and monitoring current,voltage, power energy,pf & frequency , user programmable logics and timers, relay and logic software, analog inputs 4ct (secondary thermal current of 100a for 1 sec) & 3vt with neutral plus 1vt, analog sampling frequency 32 samples/cycle, aux voltage 110 to 250vac/vdc, dry o/p digital contact 8noand 2c/o dry contacts, 4 nos optoisolated control inputs, conformal coating for pcb, demodulated irig b time synchronisation input, sequential event 512 time tagged events, all data to be stored in non volatile memory, communication protocol rs232 or usb front with data speed of 300 to 38400 bps, 2. rear port ethernet port (rj45) 10/100base, iec61850 & modbus protocol, front panel visualisation lcd display with programmable leds & push buttons, navigation keypad and breaker control in local & remote, communication and fault analysis software, communication cable, printed manual, enclosure ip65 flush mounted, operating temperature- minus 40 to + 85 deg c, 10years unconditional warranty for all material and workmanship defects, type:sel751, make: sel/siemens/abb/asltom/ge/equivalent,
