Atlas Copco QAS 250-330 JD T4i User Manual

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Technical specifications for QAS 330 JD T4i
Readings on gauges
Settings of switches
Specifications of the engine/alternator/unit
Gauge Reading Unit
Ammeter L1-L3 (P1-P3) Below max. rating A
Voltmeter (P4) Below max. rating V
Switch Function Activates at
Engine oil pressure Shut down 0.5 bar
Engine coolant temperature Shut down 103°C
60 Hz
Reference conditions 1) 4) Rated frequency 60 Hz
Rated speed 1800 rpm
Generator service duty PRP
Absolute air inlet pressure 100 kPa
Relative air humidity 30%
Air inlet temperature 25°C
Limitations 2) Maximum ambient temperature 50°C
Altitude capability 4000 m
Maximum relative air humidity 85%
Minimum starting temperature unaided 0°C
Minimum starting temperature with coolant heater -25°C
Performance data
2) 3) 4) 5) Rated active power (PRP) 3ph 264 kW
Rated active power (PRP) 3ph, lower voltage (optional) 259 kW
Rated active power (PRP) 1ph 198 kW
Rated power factor (lagging) 3ph 0.8 cos 
Rated power factor (lagging) 1ph 1.0 cos 
Rated apparent power (PRP) 3ph 330 kVA
Rated apparent power (PRP) 3ph, lower voltage (optional) 323.7 kVA
Rated apparent power (PRP) 1ph 198 kVA
Rated voltage 3ph line to line 480 V
Rated voltage 3ph line to line lower voltage (optional) 208 V
Rated voltage 1ph 240 A
Rated current 3ph 397 A
Rated current 3ph lower voltage (optional) 916
Rated current 1ph 413

Atlas Copco QAS 250-330 JD T4i Specifications

General

Power	250-330 kVA
Frequency	50/60 Hz
Emissions	Tier 4 Interim
Emission Level	Tier 4 Interim
Cooling System	Liquid Cooled