Deration – Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions. Please consult a Generac Power Systems Industrial
Dealer for additional details. All performance ratings in accordance with ISO3046, BS5514, ISO8528 and DIN6271 standards.
POWER RATINGS (kW)
STARTING CAPABILITIES (sKVA)
FUEL
COOLING
COMBUSTION AIR REQUIREMENTS
ENGINE
EXHAUST
STANDBY
Three-Phase 120/208VAC @0.8pf 500 kW Amps: 1735
Three-Phase 120/240VAC @0.8pf 500 kW Amps: 1504
Three-Phase 277/480VAC @0.8pf 500 kW Amps: 752
Three-Phase 346/600VAC @0.8pf 500 kW Amps: 601
sKVA vs. Voltage Dip
480VAC 208/240VAC
Alternator kW 10% 15% 20% 25% 30% 35% Alternator kW 10% 15% 20% 25% 30% 35%
Standard 500 457 686 914 1143 1371 1600 Standard 500 429 643 857 1071 1286 1500
Upsize 1 642 471 707 943 1179 1414 1650 Upsize 1 689 543 814 1086 1357 1629 1900
Upsize 2 832 757 1136 1514 1893 2271 2650 Upsize 2 723 571 857 1143 1429 1714 2000
Fuel Consumption Rates*
STANDBY
Fuel Pump Lift - M (ft) Percent Load gph lph
3.7 (12) 25% 10.5 39.7
50% 19.5 73.8
75% 23.7 89.7
100% 31.2 118.1
* Refer to "Emissions Data Sheet" for maximum fuel flow for EPA and SCAQMD permitting purposes.
STANDBY
Coolant Flow per Minute gpm (lpm) 114.1 (432)
Heat Rejection to Coolant BTU/hr 1,198,080
Inlet Air cfm (m3/min) 30,582 (866)
Max. Operating Radiator Air Temp Fº (Cº) 122 (50)
Max. Operating Ambient Temperature Fº (Cº) 104 (40)
Coolant System Capacity gal (L) 13 (49)
Maximum Radiator Backpressure in H
2
O 0.5
STANDBY
Flow at Rated Power cfm (m3/min) 1483 (42)
STANDBY
Rated Engine Speed rpm 1800
Horsepower at Rated kW** hp 762
Piston Speed ft/min 2020
BMEP psi 366
** Refer to “Emissions Data Sheet” for maximum bHP for EPA and SCAQMD
permitting purposes.
STANDBY
Exhaust Flow (Rated Output) cfm (m
3
/min) 3955 (112)
Max. Backpressure (Post Silencer) inHg (Kpa) 2.01 (6.8)
Exhaust Temp (Rated Output) ºF (ºC) 1022 (550)
Exhaust Outlet Size (Open Set) 5"
3 of 5
SD500 operating data (60Hz)
500 kW Diesel
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