Generac Power Systems SD350 - Operating Data (60 Hz); Power Ratings (Kw); Starting Capabilities (Skva); Fuel

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 PRIME
Three-Phase 120/208VAC @0.8pf 350 kW Amps: 1216 315 kW Amps: 1094
Three-Phase 120/240VAC @0.8pf 350 kW Amps: 1053 315 kW Amps: 948
Three-Phase 277/480VAC @0.8pf 350 kW Amps: 527 315 kW Amps: 474
Three-Phase 346/600VAC @0.8pf 350 kW Amps: 421 315 kW Amps: 379
sKVA vs. Voltage Dip
480VAC 208/240VAC
Alternator kW 10% 15% 20% 25% 30% 35% 10% 15% 20% 25% 30% 35%
Standard 400 387 581 775 968 1162 1356 210 350 500 680 875 1100
Upsize 1 442 475 720 915 1145 1030 1290 - - - - - -
Upsize 2 555 457 686 914 1143 1371 1600 - - - - - -
Fuel Consumption Rates*
STANDBY PRIME
Fuel Pump Lift - in (mm) Percent Load gph lph Percent Load gph lph
36 (900) 25% 8.4 31.8 25% 7.56 28.8
50% 14.5 54.9 50% 13.05 49.6
Total Fuel Pump Flow (Combustion + Return) 75% 20.1 76.1 75% 18.09 68.5
31 gph 100% 25.3 95.8 100% 22.77 86.3
* Refer to "Emissions Data Sheet" for maximum fuel flow for EPA and SCAQMD permitting purposes.
STANDBY PRIME
Coolant Flow per Minute gpm (lpm) 145 (552) 145 (552)
Heat Rejection to Coolant BTU/hr 932,760 840,590
Inlet Air cfm (m3/min) 19,070 (539.7) 19,070 (539.7)
Max. Operating Radiator Air Temp Fº (Cº) 122 (50) 122 (50)
Max. Operating Ambient Temperature Fº (Cº) 104 (40) 104 (40)
Coolant System Capacity gal (L) 16.6 (63) 16.6 (63)
Maximum Radiator Backpressure in H
2
O 1.5 1.5
STANDBY PRIME
Flow at Rated Power cfm (m3/min) 1195 (33.8) 1076 (30.4)
STANDBY PRIME
Rated Engine Speed rpm 1800 1800
Horsepower at Rated kW** hp 530 477
Piston Speed ft/min 1770 1770
BMEP psi 313 281
** Refer to “Emissions Data Sheet” for maximum bHP for EPA and SCAQMD permitting purposes.
STANDBY PRIME
Exhaust Flow (Rated Output) cfm (m
3
/min) 2988 (84.6) 2808 (79.5)
Max. Backpressure (Post Silencer) inHg (Kpa) 1.5 (5.1) 1.5 (5.1)
Exhaust Temp (Rated Output) ºF (ºC) 1076 (580) 1076 (580)
Exhaust Outlet Size (Open Set) NPT (male) 88.9 (3.5) 88.9 (3.5)
3 of 5
SD350 operating data (60Hz)
350 kW Diesel