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SD275
POWER RATINGS (kW)
Single-Phase 120/240VAC @1.0pf
Three-Phase 120/208VAC @0.8pf
Three-Phase 120/240VAC @0.8pf
Three-Phase 277/480VAC @0.8pf
Three-Phase 346/600VAC @0.8pf
STARTING CAPABILITIES (sKVA)
Alternator
kW
10%
Standard
300
303
Upsize 1
350
383
Upsize 2
400
387
FUEL
Fuel Pump Lift - in (mm)
36 (900)
Total Fuel Pump Flow (Combustion + Return)
31 gph
COOLING
COMBUSTION AIR REQUIREMENTS
Flow at Rated Power
cfm (m3/min)
ENGINE
Rated Engine Speed
Horsepower at Rated kW**
Piston Speed
BMEP
** Refer to "Emissions Data Sheet" for maximum bHP for EPA and SCAQMD permitting purposes.
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.
275 kW
275 kW
275 kW
275 kW
275 kW
480VAC
15%
20%
25%
30%
454
605
757
908
575
767
958
1150
581
775
968
1162
Percent Load
25%
50%
75%
100%
* Refer to "Emissions Data Sheet" for maximum fuel flow for EPA and SCAQMD permitting purposes.
Coolant Flow per Minute
Heat Rejection to Coolant
Inlet Air
Max. Operating Radiator Air Temp
Max. Operating Ambient Temperature
Coolant System Capacity
Maximum Radiator Backpressure
STANDBY
PRIME
780 (22.09)
702 (19.88)
STANDBY
PRIME
rpm
1800
1800
hp
449
396
ft/min
1654
1654
psi
308
277
STANDBY
Amps: 1146
248 kW
Amps: 954
248 kW
Amps: 827
248 kW
Amps: 413
248 kW
Amps: 331
248 kW
sKVA vs. Voltage Dip
35%
10%
15%
1059
227
341
1342
280
410
1356
345
570
Fuel Consumption Rates*
STANDBY
gph
lph
Percent Load
6.8
25.7
11.7
44.2
15.8
59.8
19.6
74.2
100%
gpm (lpm)
BTU/hr
cfm (m3/min)
Fº (Cº)
Fº (Cº)
gal (L)
in H
EXHAUST
Exhaust Flow (Rated Output)
Max. Backpressure (Post Silencer)
Exhaust Temp (Rated Output)
Exhaust Outlet Size (Open Set)
operating data (60Hz)
PRIME
Amps: 1031
Amps: 859
Amps: 744
Amps: 372
Amps: 298
208/240VAC
20%
25%
30%
454
568
681
535
640
770
835
1100
1450
PRIME
gph
lph
25%
6.2
23.5
50%
10.5
39.7
75%
14.6
55.2
17.8
67.4
STANDBY
PRIME
95 (360)
95 (360)
722,612
656,250
14,505 (411)
14,505 (411)
122 (50)
122 (50)
104 (40)
104 (40)
16.6 (63)
16.6 (63)
O
1.5
1.5
2
STANDBY
PRIME
cfm (m
/min) 2050 (58.1)
1845 (52.3)
3
inHg (Kpa)
1.5 (5.1)
1.5 (5.1)
ºF (ºC)
950 (510)
855 (457)
NPT (male)
101.6 (4)
101.6 (4)
3 of 5
35%
794
900
1710
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