| 1 | Supply, Installation, Testing and Commissioning of indoor LT Panel (TTA Type) suitable for 415V, 3-Phase, 4-Wire, 50 Hz., AC supply system fabricated in cubical type compartmentalized CRCA sheet steel of 2 mm thick for frame work and 3 mm thick for gland plated including cleaning and finishing complete with powder coating in approved shade, having 2000 Amp capacity extensible type 4- pole Aluminium alloy bus-bars of high conductivity, DMC/SMC bus bar supports with short circuit withstand capacity of 31 MVA for 1 Sec., bottom base channel of MS section of size not less than 100mm X 50mm X 5mm thick, fabrication shall be done in transportable sections, entire panel shall have a common GI earth bar of size 50mm x 5mm at the rear with 2 nos. earth stud, solid connections from main bus bar to switch gears with required size of Aluminuim busbars and control wiring with 2.5 sq.mm. FRLS PVC insulated copper conductor, cable alleys, cable gland plates in two half i/c. providing following switchgears :- | | |
| 2 | Incoming:
i) 1250 Amps Four pole horizontal drawout type air circuit breaker of fault breaking capacity 50 KA (Ics=100%Icu) EDO, fitted with interlocked, Electrically and mechanically ON/OFF and service/test/isolated position indicators and frame earthing contact, conforming to IS:13947-2; 1993 as amended upto date complete with following accessories for each ACB.- 02 set
ii) Independent electrical and mechanical spring closing mechanism .
iii) Microprocessor release for over current, earth fault & short circuit protection - 02 Set.
iv) Under voltage release - 02 set.
v) CT's of ratio 1200 /5A, Class-0.5 accuracy-02 Set.(1 Set of 3 Nos.)
vi) Digital Multifunction meter suitable to measure parameters V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh, Run hours, THD with RS 485 port - 02 set .
vii) Phase indication LED Lamps with 2 Amp. Protection MCB for ACBs- 02 Set ( 01 set of 03 Nos).
viii) On/ Off LED Lamps with 2 Amp. protection MCB for ACBs-02 Set. | | |
| 3 | Bus coupler :
i) 1250 Amps Four pole horizontal drawout type air circuit breaker of fault breaking capacity 50 KA (Ics=100%Icu) EDO, fitted with interlocked, Electrically and mechanically ON/OFF and service/test/isolated position indicators and frame earthing contact, conforming to IS:13947-2; 1993 as amended upto date complete with following accessories.- 1 set
ii) Independent electrical and mechanical spring closing mechanism .
iii) On/ Off LED Lamps with 2 Amp. protection MCB for ACBs- 01 Set. | | |
| 4 | Bus-Bars :
4-Pole Aluminium bus bars of minimum of 2000 Amps Capacity with heat shrinkable coloured sleeves including DMC /SMC bus bars supports at required intervals complete for cross section, size supports and their spacing etc. for with standing fault level of 31 MVA for 1-Sec. | | |
| 5 | Outgoings :
i) 630 Amp., 4 Pole, MCCB having variable current settings (Ics=100%Icu, 50 kA), spreader links and extendable ON/OFF rotary handle - 4 Nos. CT's of ratio 800/5 Amps, Class-0.5 - 4 Set (1 Set of 3 Nos.)
ii) 400 Amp., 4 Pole, MCCB having variable current settings (Ics=100%Icu, 50 kA) , spreader links and extendable ON/OFF rotary handle - 6 Nos. CT's of ratio 400/5 Amps, Class-0.5 - 6 Set (1 Set of 3 Nos.)
iii) 250 Amp., 4 Pole, MCCB having variable current settings (Ics=100% Icu, 35 kA), spreader links and extendable ON/OFF rotary handle - 8 Nos. CT's of ratio 250/5 Amps, Class-0.5 -8 Set. (1 Set of 3 Nos.)
iv) 125 Amp., 4 Pole, MCCB (Ics=35 kA upto 433 V), spreader links and extendable ON/OFF rotary handle - 8 Nos. CT's of ratio 125/5 Amps, Class-0.5 -8 Set. (1 Set of 3 Nos.)
v) Digital Multifunction meter suitable to measure parameters V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh, Run hours, THD with RS 485 port - 26 Nos.
vi) On/ Off LED indication Lamps with 2 Amp. protection MCB.- 26 Set.
vii) C/O Auxiliary contact on each MCCB - 26 set | 1 | Job |
