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10.3 Technical specifications for QES 20 and QES 25 units
10.3.1 Readings on gauges
10.3.2 Settings of switches
10.3.3 Specifications of the engine/alternator/unit
Gauge Reading Unit
Ammeter L3 (PA1) Below max. rating A
Voltmeter (PV1) Below max. rating V
Switch Function Activates at
Engine oil pressure Shut down 0.5 bar
Engine coolant temperature Shut down 103°C
QES 20
400/230V - 3ph
QES 20
380/220V - 3ph
QES 20
415/240V - 3ph
QES 20
230V - 1ph
Reference conditions
1)
Rated frequency 50 Hz 50 Hz 50 Hz 50 Hz
Rated speed 1500 rpm 1500 rpm 1500 rpm 1500 rpm
Generator service duty PRP PRP PRP PRP
Absolute air inlet pressure 1 bar(a) 1 bar(a) 1 bar(a) 1 bar(a)
Relative air humidity 30% 30% 30% 30%
Air inlet temperature 25°C 25°C 25°C 25°C
Limitations 2) Maximum ambient temperature 50°C 50°C 50°C 50°C
Altitude capability 3000 m 3000 m 3000 m 3000 m
Maximum relative air humidity 85% 85% 85% 85%
Minimum starting temperature unaided -10°C -10°C -10°C -10°C
Minimum starting temperature with cold start
equipment (optional)
-25°C -25°C -25°C -25°C
Performance data
2) 3) 4) 5)
Rated active power (PRP) 16 kW 16 kW 16 kW 15.4 kW
Rated apparant power (PRP) 20.0 kVA 20.0 kVA 20.0 kVA 15.4 kVA
Rated voltage line to line 400 V 380 V 415 V 230 V