Airports Authority Of India Tender

SITC of Internal Arc Type Tested 33 KV Switch Board of VCB Panel of of sheet steel, dust tight, vermin proof, totally enclosed cubicle type floor mounting horizontal drawout free standing extensible on both sides, suitable for indoor operation at 33 KV, 3 Phase, 50 Hz AC Power Supply System having 1500 MVA for 3 Second Rupturing Capacity complete with all accessories such as shunt trip coil suitable for 24V DC Power Supply, motorised and manually operated spring assisted closing mechanism, auxillary contacts, etc., interconnections, earthing etc., as required and comprising of following: (A) Two Nos. (Incomers) of 1250 Amps. rating VCB of 33 KV grade having PVC sleaved air insulated copper bus bars of 1250 Amps., capacity with suitable resin cast dual core CTs of ratio 150/75/5-5A with class 0.5 accuracy, resin cast PT of of ratio 33 KV/110 V with class 1 accuracy, complete with Microprocessor Based Relay of Schneider Make P5F30 Model/Equivalent, Digital Multi Function Meter of Schneider Make PM 5560/Equivalent, Individual Ammeter and Voltmeter with inbuilt Selector Switch, 7 LED Type ON/OFF/TRIP/Spring Indication Lamps, 7 LED Phase Indication Lamps, providing Mechanical and Electrical Interlock with Buscoupler and Incomers, Push Buttons and Incomers, ON/OFF/Trip Switch, Master Trip Relay, Thermostat Controlled Heaters, Hooter, Panel Lamp, Annunciation Window, cable entry provision for 3 X 300 Sq.mm,33KV grade HT XLPE cable etc., as required. (B) One Bus Coupler of 1250 Amps. rating VCB of 33 KV grade having PVC sleaved air insulated copper bus bars of 1250 Amps., capacity with 7 LED Type ON/OFF/Spring Indication Lamps, Push Buttons, ON/OFF/Trip Switch, Thermostat Controlled Heaters, Hooter, Panel Lamp, Annunciation Window, etc., as required. (C) 3 Nos. (Outgoings) 1250 Amps. rating VCB of 33 KV grade having PVC sleaved air insulated copper bus bars of 1250 Amps., capacity with suitable resin cast dual core CTs of ratio 100/50/5-5A with class 0.5 accuracy, complete with Microprocessor Based Relay of Schneider Make P5F30 Model/Equivalent, Auxillary Relays for WTI and OTI Alarm and Trip, Digital Meter of Schneider Make PM 5560/Equivalent, Individual Ammeter and Voltmeter with inbuilt Selector Switch, 7 LED Type ON/OFF/TRIP/Spring Indication Lamps, 7 LED Phase Indication Lamps, providing Mechanical Castle Lock for individual Breaker, Push Buttons, ON/OFF/Trip Switch, Master Trip Relay, Auxiliary Relays, Thermostat Controlled Heaters, Hooter, Panel Lamp, Annunciation Window, cable entry provision for 3 X 300 Sq.mm. XLPE cable etc., as required.

All Above 1(A) - 1 (C)

SITC of 1600 KVA, 33/0.433 KV, 3 Phase, 50 Hz Step Down, Indoor Type, Delta/Star connected, Dy11, copper wound core type, Class H Insulated, K 20 Rated, E2 C2 F1 Compliant, Cast Resin DRY TYPE, air cooled transformer with ON LOAD Tap Changer in steps of 2.5% (Tap Range +7.5% to -10.0%) with Stanard Control Panel of OEM and complete with cable end box on HT side suitable for 3X300 Sq.mm. 33 KV XLPE cable and suitable for Bus Duct on LT side, provision of Palm Contacts at HT Side, earthing terminals, Provision of inbuilt CT/PT/Digital Meter of Class 0.5 Accuracy for measuring and monitoring Transformer Losses, Winding Temperature Display with required Sensors, Room Temperature Display, Door Safety Lock, lifting lugs etc., with all standard accessories conforming to IS 2026 Part 11/2021 and meeting ECBC Norms 2017 as amended upto date including locking of rollers, Supplying and Laying of Armoured Copper Control Cable/Power Cable from OLTC to Transformer, Door Safety (Interlock) to 33 KV Panel, Winding Temparature Digital Display to 33 KV Panel and (Individual Cable up-to a Length of 30 Mtr), Termination of Cables etc., as required.