Liquid Cooled
Gas Engine
Generator Sets
Standby Power Rating
45 kW 60 Hz
Model Number: 5261 (Steel - Tan)
Whisper-Test™
Low Speed Exercise
61 dB(A) at 23 feet
GENERAC 2.4L ENGINE
Naturally Aspirated
Gaseous Fueled
UL 2200 Listed
Transfer Switch is sold separately
STANDARD EQUIPMENT
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UV/Ozone resistant hoses
Watertight state of the art electrical connectors
Mainline circuit breaker
Radiator drain extension
Battery charge alternator
2 Amp static battery charger
Battery rack and battery cables
Fan and belt guards
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All input connections in one single area
High coolant temperature shutdown
Low oil pressure shutdown
Low coolant level automatic shutdown
Overspeed automatic shutdown
Crank timer
Exercise timer
Oil drain extension
Cool flow radiator
Closed coolant recovery system
Isochronous governor
Flex fuel line pigtail
FEATURES
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Rodent proof construction
High efficiency, low distortion Generac designed
alternator
Vibration isolated from mounting base
Matching Generac transfer switches engineered and
tested to work as a system
All components easily accessible for maintenance
Electrostatically applied textured powder paint
Acoustically designed engine cooling system
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Innovative design and fully prototype tested
UL 2200 Listed
Solid state frequency compensated voltage regulator
Dynamic and static battery charger
Sound attenuated acoustically designed enclosure
Whisper-Test™ for low noise level exercise
High flow low noise factory engineered exhaust system
State of the art digital control system with R-Series digital
control panel
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STANDBY 45 kW
OPERATING DATA
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
(ft3/hr.)
102
Propane
(gal/hr.)
cu ft/hr
Exercise cycle
1.11
40.4
77.1
148
206.3
286
25% of rated load
50% of rated load
75% of rated load
100% of rated load
194
373
520
720
2.12
4.07
5.67
7.86
ENGINE COOLING
Air flow (inlet air including alternator and combustion air) ft3/min.
2,725
3.0
173,000
60 (150)
50 (140)
System coolant capacity
US gal.
BTU/hr.
°C (°F)
°C (°F)
Heat rejection to coolant
Max. operating air temp. on radiator
Max. ambient temperature
COMBUSTION AIR REQUIREMENTS
Flow at rated power 60 Hz
cfm
144
SOUND EMISSIONS IN DBA
db(A) @ 23 feet in exercise mode
db(A) @ 23 feet at normal operating load
61
73
EXHAUST
Exhaust flow at rated output 60 Hz
Exhaust temp. at muffler outlet
cfm
°F
429
1150
ENGINE PARAMETERS
Rated synchronous RPM
HP at rated KW
60 Hz
60 Hz
3600
71
POWER ADJUSTMENT FOR AMBIENT CONDITIONS
Temperature Deration
3% for every 10 °C above - °C
1.65% for every 10 °F above - °F
Altitude Deration
25
77
1% for every 100 m above - m
3% for every 1000 ft. above - ft.
183
600
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.
INTERCONNECTIONS
STANDBY 45 kW
INSTALLATION LAYOUT
UNIT WEIGHT: Steel 1414 lbs.
®
GENERAC POWER SYSTEMS, INC. • P.O. BOX 297 • WHITEWATER, WI 53190
www.guardiangenerators.com
Bulletin 0174540SBY / Printed in U.S.A. 05.07
© 2007 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice.
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