Atlas Copco QAS 275-325, Instruction Manual, Page: 85 / 114

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Rated voltage 3ph line to line 400 V 480 V
Rated voltage 3ph line to line lower voltage (optional) 230 V -
Rated current 3ph 469 A 415 A
Rated current 3ph lower voltage (optional) 816 A -
Performance class (acc.ISO 8528-5:1993) G2 G2
Single step load acceptance (0-PRP) 55% 75%
143 kW 207 kW
Frequency droop <5% <5%
isochronous isochronous
Fuel consumption at 0% load 6.07 kg/h 8.85 kg/h
Fuel consumption at 50% load 29.07 kg/h 34.10 kg/h
Fuel consumption at 75% load 41.41 kg/h 48.65 kg/h
Fuel consumption at full load (100%) 54.92 kg/h 62.29 kg/h
Specific fuel consumption at full load (100%) 0.211 kg/kWh 0.266 kg/kWh
Fuel autonomy at full load with standard tank 9 h 8 h
Fuel autonomy at full load with optional 24 hrs tank 25 h 22 h
Max. oil consumption at full load 0.04 l/h 0.04 l/h
Maximum sound power level (LWA) measured according to
2000/14/EC OND (measured at 75% PRP load) 97 dB(A) -
Useful capacity of fuel tank 603 l 603 l
Useful capacity of optional 24 hrs fuel tank 1709 l 1709 l
Single step load capability (O-PRP) Qc1002-Qc2002 100% 100%
208 kW 276 kW
Single step load capability (O-PRP) Qc4002 80% 100%
260 kW 276 kW
Application data
Mode of operation PRP PRP
Site land use land use
Operation single/parallel single/parallel
Start-up and control mode manual/automatic manual/automatic
Start-up time unspecified unspecified
Mobility/Config. acc. to ISO 8528-1:1993 transportable/D transportable/D
Mounting fully resilient fully resilient
Climatic exposure open air open air