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10.2 Technical specifications for QAS 250
10.2.1 Readings on gauges
10.2.2 Settings of safeties
10.2.3 Specifications of the engine/alternator/unit
Gauge Reading Unit
Ammeter L1-L3 (P1-P3) Below max. rating A
Voltmeter (P4) Below max. rating V
Safety Function Activates at
Engine coolant temperature Warning 107°C
Engine coolant temperature Shut down 112°C
50 Hz 60 Hz
Reference conditions 1) 4) Rated frequency 50 Hz 60 Hz
Rated speed 1500 rpm 1800 rpm
Generator service duty PRP PRP
Absolute air inlet pressure 1 bar(a) 1 bar(a)
Relative air humidity 30% 30%
Air inlet temperature 25°C 25°C
Limitations 2) Maximum ambient temperature 50°C 50°C
Altitude capability 4000 m 4000 m
Maximum relative air humidity 85% 85%
Minimum starting temperature unaided -15°C -15°C
Minimum starting temperature with cold start equipment (optional) -25°C -25°C
Performance data
2) 3) 4) 5)
Rated active power (PRP) 3ph 200 kW 200 kW
Rated power factor (lagging) 3ph 0.8 cos φ 0.8 cos φ
Rated apparent power (PRP) 3ph 250 kVA 250 kVA
Rated voltage 3ph line to line 400 V 480 V
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