Operating data – Generac Power Systems Whisper Test 5261 User Manual
Page 3
STANDBY 45 kW
KW RATING
45
ENGINE SIZE
2.4 Liter
GENERATOR OUTPUT VOLTAGE/KW - 60Hz
KW
AMP
CB Size
120/240V, 1-phase, 1.0 pf
45
187.5
200
GENERATOR LOCKED ROTOR KVA
AVAILABLE @ VOLTAGE DIP OF 35%
Single
phase
100
ENGINE FUEL CONSUMPTION
(Natural Gas) (Propane)
Natural Gas
Propane
(ft
3
/hr.) (gal/hr.)
cu
ft/hr
Exercise
cycle
102
1.11
40.4
25% of rated load
194
2.12
77.1
50% of rated load
373
4.07
148
75% of rated load
520
5.67
206.3
100% of rated load
720
7.86
286
ENGINE COOLING
Air flow
(inlet air including alternator and combustion air)
ft
3
/min. 2,725
System coolant capacity
US gal.
3.0
Heat rejection to coolant
BTU/hr.
173,000
Max. operating air temp. on radiator
°C (°F)
60 (150)
Max. ambient temperature
°C (°F)
50 (140)
COMBUSTION AIR REQUIREMENTS
Flow at rated power 60 Hz
cfm
144
SOUND EMISSIONS IN DBA
db(A) @ 23 feet in exercise mode
61
db(A) @ 23 feet at normal operating load
73
EXHAUST
Exhaust flow at rated output 60 Hz cfm
429
Exhaust temp. at muffler outlet
°F
1150
ENGINE PARAMETERS
Rated synchronous RPM
60 Hz
3600
HP at rated KW
60 Hz
71
POWER ADJUSTMENT FOR AMBIENT CONDITIONS
Temperature
Deration
3% for every 10 °C above - °C
25
1.65% for every 10 °F above - °F
77
Altitude
Deration
1% for every 100 m above - m
183
3% for every 1000 ft. above - ft.
600
OPERATING DATA
STANDBY 45 kW
RATING: All single phase units are rated at 1.0 power factor. STANDBY RATING: Standby ratings apply to installations served by a reliable utility
source. The standby rating is applicable to varying loads for the duration of a power outage. There is no overload capability for this rating. Ratings
are in accordance with ISO-3046-1. Design and specifications are subject to change without notice. Maximum wattage and current are subject to
and limited by such factors as fuel Btu content, ambient temperature, altitude, engine power and condition, etc.