Standby Power Rating
25 kW 60 Hz
Liquid Cooled
Gas Engine
Generator Sets
WHISPER-TEST™
Low Speed Exercise
62 dB(A) at 23 feet
GENERAC 1.6L ENGINE
Naturally Aspirated
Gaseous Fueled
UL 2200 Listed
Transfer Switch is sold separately
STANDARD EQUIPMENT
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Watertight state of the art electrical connectors
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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
Mainline circuit breaker
Radiator drain extension
Battery charge alternator
2 Amp static battery charger
Battery rack and battery cables
Fan and belt guards
Isochronous governor
UV/Ozone resistant hoses
Flex fuel line pigtail
Exercise timer
Oil drain extension
Cool flow radiator
Closed coolant recovery system
FEATURES
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State of the art control system with R-Series digital control panel
Watertight electrical connectors
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
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Innovative design and fully prototype tested
UL 2200 Listed
Solid state frequency compensated
voltage regulator
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Dynamic and static battery charger
Sound attenuated acoustically designed enclosure
Whisper-Test™ for low noise level exercise
Acoustically designed engine cooling system
High flow low noise factory engineered exhaust system
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All components easily accessible for maintenance
Electrostatically applied powder paint
COMMERCIAL SERIES
COMMERCIAL 25 kW
COMMERCIAL SERIES
OPERATING DATA
COMMERCIAL 25 kW
KW RATING
25
ENGINE SIZE
1.6 Liter 4 cyl. inline
GENERATOR OUTPUT VOLTAGE/KW - 60Hz
120/208V, 3-phase, 0.8 pf
KW LP
25
KW NG
AMP LP AMP NG CB Size
24
86.8
83.3
100
120/240V, 3-phase, 0.8 pf
25
24
75.2
72.2
90
GENERATOR LOCKED ROTOR KVA
AVAILABLE @ VOLTAGE DIP OF 35%
208 or 240V 3-phase
34
ENGINE FUEL CONSUMPTION (Natural Gas) (Propane)
Natural Gas
(ft3/hr.)
60
Propane
(gal/hr.)
cu ft/hr
24
64
101
138
175
Exercise cycle
0.65
1.76
2.77
3.79
4.81
25% of rated load
50% of rated load
75% of rated load
100% of rated load
161
253
345
437
ENGINE COOLING
Air flow (inlet air including alternator and combustion air) ft3/min.
1,528
2.0
110,000
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
90
SOUND EMISSIONS IN DBA
db(A) @ 23 feet in exercise mode
db(A) @ 23 feet at normal operating load
62
74
EXHAUST
Exhaust flow at rated output 60 Hz
Exhaust temp. at muffler outlet
cfm
°F
249
1015
ENGINE PARAMETERS
Rated synchronous RPM
HP at rated KW
60 Hz
60 Hz
3600
45
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 fuelBtu content, ambient temperature, altitude, engine power and condition, etc.
INTERCONNECTIONS
COMMERCIAL 25 kW
18-30
R-SERIES
CONTROL PANEL
CIRCUIT BREAKER SIZE
KW
VOLTS / AMPS
LUG SIZE
25
25
208 3ø
240 3ø
100
90
#6 - 300 MCM
#4 - 1/0
INSTALLATION LAYOUT
COMMERCIAL SERIES
VISE ACTION LATCH,
ONE PER DOOR, ONE LIFT-OFF
CONTROL PANEL R TYPE
BATTERY CHARGER IS
ENCLOSED WITHIN
DOOR PER SIDE OF GENERATOR
62.2
46
DOOR TYP
EXHAUST AND AIR DISCHARGE
LOUVERS - FRONT AND SIDES
29
AUTO
OFF
OFF
ON
MANUAL
SET
EXERCISE
TIME
OVER CRANK
OVER SPEED
LOW COOLANT LEVEL
HI COOLANT TEMPERATURE
LOW OIL PRESSURE
LOW BATTERY
LOW FUEL PRESSURE
SYSTEM READY
27.4
DANGER
High voltage.
FUSES
LOCATED
INSIDE
Contact with terminals
may result in personal
injury or death.
0F3215
DOOR
TYP
33.5
6
MIN.
RIGHT SIDE VIEW
CONCRETE BASE
NOT INCLUDED
FRONT VIEW
30.7
FUEL LINE CONNECTION
3/4" NPT FEMALE COUPLING
EXHAUST MUFFLERS
ENCLOSED WITHIN,
UNIT WEIGHT: Steel 875 lbs.
®
GENERAC POWER SYSTEMS, INC. • P.O. BOX 297 • WHITEWATER, WI 53190
Bulletin 0174350SBY / Printed in USA 05.07
© 2007 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice.
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