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Performance - 422GM Description Specifications Performance Equipment Installation Drawings Engine speed rev/min Type of Operation Typical Generator Output (net) Engine Power Gross kVA kWe kW bhp 1500 Prime Power Standby (Maximum) 20.7 22.8 16.6 18.2 18.4 20.24 24.7 27.1 1800 Prime Power Standby (Maximum) 24.8 27.2 19.8 21.8 22.0 24.2 29.5 32.5 Typical Fuel Consumption Engine speed 1500 rev/min 1800 rev/min g/kWh l/hr g/kWh l/hr At Standby Rating 254 6.2 252 7.3 At Prime Power 243 5.4 245 6.4 At 75% Prime Power 243 4.0 247 4.8 At 50% Prime Power 265 2.9 269 3.5 Note: The above ratings represent the engine performance capabilities to conditions specified in ISO 8528/1, ISO 3046/1:1986, BS5514/1 Derating may be required for conditions outside these; consult your Perkins Sabre contact Generator powers are typical and are based on typical alternator efficiencies of 90% and a power factor (cos.0) of 0.8 Fuel specification: BS 2869: Part 2 1998 Class A2 or ASTM D975 D2 Lubricating oil: To API CH4/ACEA E5 Rating Definitions Prime power: Power available at variable load in lieu of main power network. Overload of 10% is permitted for one hour in every 12 hours of operation Standby (maximum): Power available at variable load in the event of a main power network failure. No overload is permitted