Spec Sheet
©2019 Cummins Inc. | NAS-6254-EN (A056T581) (10/19) 
power.cummins.com 
Accessories
•  RS In-home display (A053K028) - Additional 
interface and display to monitor generator 
performance from a second location. 
•  Extreme Cold Weather Kit (A054B984) – For 
locations where the generator will be in climates 
that can go below 0 °F (-18 °C). Not needed on 
extreme cold weather models. 
•  Enclosure Paint Touchup Kit (A043J735) 
•  Preventative Maintenance Kit (A054H068) – Parts 
for scheduled maintenance intervals 
•  Load Add/Load Shed Device (A051C329) – 
Allows generator to control up to 2 - 50A loads 
•  Integrated ATS & Load Panel (A051C991) – 
Combines an 100A Non-Service Entrance (NSE) 
ATS with a load panel in an NEMA 1 box 
•  Concrete Composite Mounting Pad - 3” thick, 1” 
overhang composite pad for mounting the 
generator on (A052A795 for a single pad, 
A057M349 for 5 pads, and A057M351 for 10 
pads) 
•  E-stop Kit (A044Z051) - Externally mounted 
emergency stop button allows for additional safety 
•  Battery (A052Y816) - Group 51R, 450 CCA 
Transfer switch (also sold separately) 
• Automatic Transfer Switches available in various 
amperages. 
• Service Entrance and Non-Service Entrances 
models are available. 
• Available for both Indoor and Outdoor applications. 
• All models UL listed to UL 1008 standard. 
• Compatibility with the Cummins generator set helps 
reduce the installation time for the complete 
application. 
Warranty policy
The Cummins Power Generation RS13A, RS17A, 
RS20A, and RS20AC generators come standard with 
a 5 year / 2,000 hour limited warranty. RA Automatic 
Transfer Switches come standard with a 2 year 
warranty. Extended warranty options available. See 
warranty statement for additional details. 
After sale support 
Largest distributor/dealer support network 
Cummins Power Generation generator sets are 
supported by the largest and best trained worldwide 
certified distributor/dealer network in the industry. 
This network of knowledgeable 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. 
Manuals:
 Operation and installation manuals ship with 
the generator set. To obtain additional copies or other 
manuals for this model, see your distributor/dealer. To 
easily locate the nearest certified distributor/dealer 
for Cummins Power Generation generators in your 
area, or for more information, contact us at 1-800-
888-6626 or visit power.cummins.com. 
Contact your distributor/dealer for more information.
WARNING:
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.) See T030. 
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
. 
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