Bids Are Invited For Boq Total Quantity : 1--Supply, Installation & Commissioning of 20 KVA/16 KW UPS alongwith 30 min backup, 3 phase 4 Wire nominal voltage, AC input 300 to 450V, 50 Hz ±10% input and out put single phase AC out put Voltage 230 V ± 1% -Uttarakhand

Bids Are Invited For Boq Total Quantity : 1--Supply, Installation & Commissioning of 20 KVA/16 KW UPS alongwith 30 min backup, 3 phase 4 Wire nominal voltage, AC input 300 to 450V, 50 Hz ±10% input and out put single phase AC out put Voltage 230 V ± 1% , 50 Hz ± 1% output, 150% for 60 Sec over load capacityand more than 160% for 200ms , 0.8 PF, Galvanic isolation between input and output by inbuilt double wound isolation transformer, Overall efficiency > 88% at full load AC mode & 90% at battery mode nominal input voltage with protections for Input over/under voltage, pahse fail, overlaod at output, soar protection for power transistors, output AC over/under voltage , DC over/under voltage, High speed fuses for semiconductor devices , Snubber circuits for power semiconductor devices & overheat and 4 x 20 character LCD display panel to show indication of Input voltages R, Y ,B, output voltages & output current , Output frequency and Mains ON, output ON, Fault LED indications and Audible Alaram for fault conditons a local Buzzer operates & noise level less than 60dBA/metre alongwith battery charger and 30 Nos Exide SMF Battery 12 V 42 Ah of 30 min backup with digital Voltmeter and current meter, Accuracy 1%, 80% effifciency , 300 to 450V AC 3 Phase 4 wire 50±1% Hz AC main input, suitable terminal block for 3 Phase AC input conneciton, and suitable teminal/port/busbar for output connection, Output over voltage & Current protection, Inbuilt over temp protection , 0-55 degree C Operating temp, 90% Humidity, Forced air cooling and including battery rack complete all as specified and directed. Model i-MAXX Transformer Based Online UPS ,M&L of sub main wiring in PVC conduit/conceled of required size 2 x 4 sqmm PVC insulated multistrand copper conductor with 01x2.5 sqmm PVC insulated multistrand copper conductor as earth continuity wire all as specified and directed, M&L of sub main wiring in PVC concealed conduit of required size 2x6 sqmm PVC insulated multistranded copper conductor with 01x4 Sqmm PVC insulated multistrand copper conductor as earth continuity wire all as specified and directed.

Sr No	CorrigendumDate	Corrigendum	CorrigendumType	NewSubmissionDate
1	23-08-2021			25-08-2021

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