Spark ignited generator set 50kW standby
Spark ignited generator set
50kW standby
> Specification sheet
Features and benefits
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Weight, size and sound level
Extremely quiet operation
Weight: 2891 lb (1311 kg) steel enclosure
Fully automatic operation when used with a Cummins
automatic transfer panel
Size: Length 101.5 in (2578 mm), width 41.3 in
(1049 mm), height 71.8 in (1824 mm)
Available for use with natural gas or LP vapor
Attractive and discreet sound attenuated housing
Sound: 65 dB(A) at 7 m, average at full load
Electronic governor for precise frequency control
Includes 120 V coolant heater
Listed to UL 2200
Models and ratings
Order model
GGPC
Fuel
Voltage
Rated kW
kVa
Rated amps
Circuit breaker
Enclosure
Propane
120/240
50
50
416/208
200 A, 2 pole
Steel
- Ratings apply at 1300 ft (396m), 104 ºF (40 ºC). Total power available will decrease 4% for each 1000 ft (304.8 m) above 1300 ft (396m) and
2% for each 10 ºF (5.5 ºC) increase in ambient temperature above 104 ºF (40 ºC).
©2011 Cummins Power Generation. All Rights Reserved. Cummins®, the "C" logo and Performance you rely on.TM are
servicemarks, trademarks and/or registered trademarks of Cummins Inc. Specifications are subject to change without notice.
A-1563 (3/11)
Standard features
Engine details
Engine:
• Electronic ignition
• Electronic governor
• Full-pressure lubrication
• High-capacity oil sump
• Single spin-on canister-combination full flow with bypass
• Solenoid shift starter
• 120 V coolant heater
• Engine oil drain extension
Control system:
Provides total genset system integration including:
• Automatic remote starting/stopping
• Precise frequency and voltage regulation
• Alarm and status message display
• AmpSentry™ protection
• Output metering
• Auto-shutdown at fault detection
• NFPA 110 Level 1 compliance
• Low coolant level shut-down
Exhaust muffler:
• Enclosed exhaust silencer
• Low noise
Engine: GM, industrial, spark-ignited
Design: Cast iron V8 cylinder, liquid-cooled
Compression ratio: 9.4:1
Displacement: 5L (305 in3)
Cooling system: 122 °F (50 °C) ambient cooling
system
Oil Sump capacity: 5.8 qt
Operating speed: 1800 RPM
Gross engine power, kWm (bhp):
Propane: 63.6 (85.3)
Average fuel consumption:
Fuel consumption-Propane
Load
¼
ft³/hr
113.3
m³/hr
3.2
Gal/hr
3.1
L/hr
11.8
½
160.6
4.5
4.4
16.8
¾
215.4
6.1
5.9
22.5
Full
270.2
7.7
7.4
28.2
Conversion factor:
8.58 ft³ = 1 lb
0.535m³ = 1 kg
36.39 ft³ = 1 gal
Alternator details
Generator performance
Design: Brushless, revolving field, 12 lead
re-connectable single phase design.
Insulation system: Class H per NEMA MG1-1.65.
Temperature rise: At rated load is less than 125 °C
at standby rating, per NEMA MG1.22.40, IEEE 115 and
IEC 34-1.
Exciter type: The excitation system derives its power
from the main output of the generator, eliminating the
need for a separate excitation power source.
Alternator cooling: Direct drive centrifugal blower.
Rotor: Supported by a pre-lubricated maintenance-free
ball bearing.
AC Wave Form total harmonic distortion: Less
than 5% total no load to full load, less than 3% for any
single harmonic.
Voltage: 120/240 V AC, single phase, 1.0 pf.
Governor regulation class: ISO 8528 Part 1 Class
G3.
Voltage regulation: 1%, no load to full load.
Frequency regulation: Isochronous, 0% no load to
full load.
Operating temperature: -20 °F (-28.8 °C) to 122 °F
(50 °C).
Motor starting kVA (at 90% sustained
voltage): 130
©2011 Cummins Power Generation. All Rights Reserved. Cummins®, the "C" logo and Performance you rely on.TM are
servicemarks, trademarks and/or registered trademarks of Cummins Inc. Specifications are subject to change without notice.
A-1563 (3/11)
Dimensions: mm (in)
Basic dimensions
Note: This outline drawing is provided for general reference only and is not intended for design or installation. For more information see
Operation and Installation manuals.
Automatic transfer panel configurations
Dedicated emergency standby service system
Full-service rating standby system
Options and accessories
Housing features
• Battery, 12 V 620 cca (P/N 416-0823)
• Battery heater kit (P/N 333-0469)
• Full line of complementing automatic transfer panels
• Sound attenuated, weather protective design,
key-lockable service access doors
• Internal starting battery tray and tie down
• Heavy-duty steel housing, stainless steel fasteners
©2011 Cummins Power Generation. All Rights Reserved. Cummins®, the "C" logo and Performance you rely on.TM are
servicemarks, trademarks and/or registered trademarks of Cummins Inc. Specifications are subject to change without notice.
A-1563 (3/11)
Testing and standards
After sale support
- Listed to UL 2200
- This generator set was designed and manufactured in
facilities certified to ISO 9001.
- All low voltage models are CSA certified to product class
4215-01.
Largest distributor/dealer support network
Cummins generator sets are supported by the largest
and best trained worldwide certified distributor/dealer
network in the industry. This network of knowledgeable
Cummins distributor/dealers will help you select and
install the right generator set and accessories to meet the
requirements of your specific application. This same
network offers a complete selection of commonly used
generator set maintenance parts, accessories, and
products plus manuals and specification sheets. Plus,
they can answer your questions regarding proper
operation, maintenance schedules and more.
U.S. EPA
Warranty policy
Cummins generators come with a standard two-year
warranty. Additional two and five-year warranty options
are available. Some restrictions apply.
This product is EPA Emissions certified for emergency
standby use only.
!
IMPORTANT
Standby rating based on: Applicable for
supplying emergency power for the duration of
normal power interruption. No sustained
overload capability is available for this rating.
(Equivalent to fuel stop power in accordance
with ISO3046, AS2789, DIN6271 and BS5514.)
nominally rated.
!
WARNING:
Back feed to a utility system can cause
electrocution and/or property damage. Do not
connect to any building electrical except
through an approved device or after building
main breaker is open.
Manuals: Operation and installation manuals ship with
the generator set. To obtain additional copies or other
manuals for this model, see your Cummins
distributor/dealer.
To easily locate the nearest certified distributor/dealer for
Cummins generators in your area, or for more
information, contact us at 1-800-344-0039 or visit
www.cumminsonan.com or www.cumminspower.com.
Contact your distributor/dealer for more information.
Cummins Power Generation
1400 73rd Ave. NE
Minneapolis, MN 55432 USA
Phone 1 763 574 5000
Toll-free 1 800 888 6626
Fax 1 763 574 5298
Email www.cumminsonan.com/contact
www.cumminsonan.com
©2011 Cummins Power Generation. All Rights Reserved. Cummins®, the "C" logo and Performance you rely on.TM are
servicemarks, trademarks and/or registered trademarks of Cummins Inc. Specifications are subject to change without notice.
A-1563 (3/11)
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