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SG400 21.9L 1 400 kW GENERAL® I PO ETRRIAL <br /> INDUSTRIAL SPARK-IGNITED GENERATOR SET <br /> EPA Certified Stationary Emergency <br /> OPERATING DATA DEMAND RESPONSE READY <br /> POWER RATINGS <br /> Standby/Demand Response <br /> Three-Phase 120/208 VAC @0.8pf 400 kW Amps:1,389 <br /> Three-Phase 120/240 VAC @0.8pf 400 kW Amps:1,204 <br /> Three-Phase 277/480 VAC @0.8pf 400 kW Amps:602 <br /> Three-Phase 346/600 VAC @0.8pf 400 kW Amps:481 <br /> STARTING CAPABILITIES(AVA) <br /> sKVA vs.Voltage Dip <br /> 277/480 VAC 208/240 VAC <br /> Alternator kW 10% 15% 20% 25% 30% 35% Alternator kW .10% 15% 20% 25% 30% 35% <br /> Standard 400 387 581 775 968 1,162 1,356 Standard 400 345 570 835 1,100 1,450 1,710 <br /> Upsize 1 555 457 686 914 1,143 1,371 1,600 Upsize 1 559 429 643 857 1,071 1,286 1,500 <br /> Upsize 2 642 471 707 943 1,179 1,414 1,650 Upsize 2 — — — — — — — <br /> FUEL CONSUMPTION RATES* <br /> Natural Gas—T/hr(m3/hr) <br /> Percent Load Standby <br /> 25% 1,856(52.6) <br /> 50% 2,845(80.5) <br /> 75% 3,833(108.5) <br /> 100% 4,823(136.6) <br /> *Fuel supply installation must accommodate fuel consumption rates at 100%load. <br /> COOLING <br /> Standby <br /> Air Flow(Inlet Air Combustion and Radiator) W/min(m3/min) 25,100(711) <br /> Coolant Flow per Minute gal/min(1/min) 211 (800) <br /> Coolant System Capacity gal(1) 23(87) <br /> Heat Rejection to Coolant BTU/hr 1,102,122 <br /> Max.Operating Ambient Temperature °F(°C) 122(50) <br /> Maximum Operating Ambient Temperature(Before Derate) See Bulletin No.0199270SSD <br /> Maximum Radiator Backpressure in H2O(kPa) 0.5(0.12) <br /> COMBUSTION AIR REQUIREMENTS <br /> Standby <br /> Flow at Rated Power cfm(m3/min) 750(21) <br /> ENGINE EXHAUST <br /> Standby Standby <br /> Rated Engine Speed rpm 1,800 Exhaust Flow(Rated Output) cfm(m3/min) 2,720(77) <br /> Horsepower at Rated kW** hp 636 Maximum Exhaust Backpressure inHg(kPa) 0.75(2.54) <br /> Piston Speed fVmin 1,680 Exhaust Temp(Rated Output-Post Silencer) °F CC) 1,350(732) <br /> BMEP psi 209.1 <br /> **Refer to"Emissions Data Sheet"for maximum bHP for EPA and SCAND permitting purposes. <br /> Deration—Operational characteristics consider maximum ambient conditions.Derate factors may apply under atypical site conditions. <br /> Please consult a Generac Power Systems Industrial Dealer for additional details.All performance ratings in accordance with ISO3046,BS5514,ISO8528,and DIN6271 standards. <br /> Standby-See Bulletin 018750OSSB <br /> Demand Response-See Bulletin 10000018250 <br /> Prime-See Bulletin 018751OSSB , <br /> 1t <br /> 4 <br />