Milton CAT G275LG 275kW_344kVA Spec Sheet - Manual (Page 3)

POWER RATINGS (kW)
STARTING CAPABILITIES (sKVA)
FUEL
COOLING
COMBUSTION AIR REQUIREMENTS
ENGINE EXHAUST
Natural Gas
Three-Phase 120/208VAC @0.8pf 275 kW Amps: 955
Three-Phase 120/240VAC @0.8pf 275 kW Amps: 828
Three-Phase 277/480VAC @0.8pf 275 kW Amps: 414
Three-Phase 346/600VAC @0.8pf 275 kW Amps: 331
sKVA vs. Voltage Dip
480VAC 208/240VAC
Alternator kW 10% 15% 20% 25% 30% 35% 10% 15% 20% 25% 30% 35%
Standard 275 303 454 605 757 908 1059 227 341 454 568 681 794
Upsize 1 –
Fuel Consumption Rates*
Natural Gas
Percent Load ft 3 /hr m 3 /hr
25% 1560 44.2
50% 2003 56.7
75% 2828 80.1
100% 3628 102.7
* Refer to "Emissions Data Sheet" for maximum fuel flow for EPA and SCAQMD permitting purposes.
Air Flow (inlet air combustion and radiator) ft 3 /min (m 3 /min) 20,300 (574.8)
System Coolant Capacity Gal (Liters) 15 (56.8)
Heat Rejection to Coolant BTU/hr 943,280
Max. Operating Air Temp on Radiator ºF (ºC) 122 (50)
Max. Ambient Temperature ºF (ºC) 104 (40)
Maximum Radiator Backpressure "H
2
O 1.50
Flow at Rated Power cfm 1100
Rated Engine Speed rpm 2300
Horsepower at Rated kW** hp 419
Piston Speed ft/min 2262
BMEP psi 186.5
** Refer to “Emissions Data Sheet” for maximum bHP for EPA and SCAQMD permitting purposes.
Exhaust Flow (Rated Output) cfm (m 3 /min) 3960 (112)
Max. Backpressure (Post Silencer) inHg 1.5
Exhaust Temp (Rated Output) ºF (ºC) 1470 (799)
Exhaust Outlet Size (Open Set) in 5.0"
3 of 5
G275LG operating data (60Hz)
G275LG 275kW
Deration – Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions. All performance ratings in accordance with ISO3046,
BS5514, ISO8528 and DIN6271 standards.