How to Pick the Perfect Whole House Generator
From severe weather and natural disasters to an overloaded electrical grid, the...
Hover to zoom
1 Of 5
Cummins RS40 Quiet Connect™ Series 40kW Standby Power Generator (120/240V 3-Phase)
Model:
A051Y421
+
Share This Product
Features
Grade
Emergency
Style
Standby (Liquid Cooled)
Run Watts
40,000 Rated Watts
Voltage
120/240 Three-Phase
Fuel
LP/Natural Gas
Engine
Cummins Onan
- Cummins Quiet Connect
- For light commercial applications w/ 120/240V 3-Phase power
- Powerd By Cummins 2.4L Turbocharged Liquid-Cooled Engine
- 1800 RPM design provides reliability and fuel efficiency
- Brushless CA Series Alternator
- Provides +/- 1% voltage & +/- 0.25% frequency regulation
- As close to utility power as you can get in a standby generator
- Advanced Design Sound Attenuated Aluminum Enclosure
- Aesthetically appealing withstands winds up to 150 MPH
- One of the quietest generators of its kind (63dB @ 7M)
- PowerCommand® Electronic Control
- Provides industry-leading self-diagnostic capabilities
- Flexible Exercise Mode
- Exercise at a time, frequency and duration that suits you
- Reducing unnecessary fuel consumption, emissions and noise
- Coolant Heater For Extreme Environmental Conditions (Included)
- Factory installed, Allows for cold weather starts down to -40 °F
- Automatic Transfer Switch (Sold Separately)
- ^Please Note - Requires Loading Dock, Forklift or Crane For Delivery^
California residents see
Warning: This product can expose you to chemicals including Carbon black (airborne, unbound particles of respirable size) which is known to the State of California to cause Cancer, and Lead which is known to the State of California to cause Developmental Harm.
For more information go to: www.p65Warnings.ca.gov
Specifications
A051Y421
Product Specs
Voltage
120/240 Three-Phase
Frequency
60 Hertz
Alternator
Brushless
Rated Watts
40000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
40000 Watts
LP Power Capacity
40000 Watts
NG Fuel Consumption @ 50% Load
304.7 ft³/hr
NG Fuel Consumption @ 100% Load
519 ft³/hr
LP Fuel Consumption @ 50% Load
3.4 gallons/hr
LP Fuel Consumption @ 100% Load
5.4 gallons/hr
Rated Amps
120.4 Amps
Decibel Rating @ 7m
63 dbA
Transfer Switch
Automatic (Not Included)
Battery
Not Included (540 CCA)
Enclosure
Aluminum
Circuit Breaker Size
150 Amps
Mounting Pad
Concrete (Not Included)
Cooling System
Liquid Cooled
UL Listed
Yes
Grade Type
Emergency
Engine
Engine Brand
Cummins Onan
Starting System
12v Auto Start
CC
2400 CC
Consumer Engine Warranty
2 Years
Commercial Engine Warranty
2 Years
Engine RPM
1800 RPM
Low Oil Alert/Shutdown
Yes
Overview
Weight
1356 Pounds
Made in USA
Yes
Consumer Warranty
2 Years
Commercial Warranty
2 Years
Product Length
94 Inches
Product Style
Standby Generator
Product Width
34 Inches
Product Height
45.5 Inches
Additional Model Numbers
RS40-240, A051Y421
Reviews
Cummins Power Generation A051Y421 Reviews & Ratings
Be the First to Write a Review
Do you own this product?
Please share your insights with fellow shoppers.
Please share your insights with fellow shoppers.
Recommended Accessories
Expert Recommended Accessories
Selected by Jared, our Expert
Required Accessories
9
These accessories are required to properly setup/install this product.
Optional Accessories
10
How-To Articles
Single Phase vs 3-Phase Generators
Electric power is not all the same. What you need depends largely on your appli...
How to Pick the Perfect Commercial Generator
The lights flicker, communications go down, productivity comes to a screeching ...
Electric Generators How-To Library
Articles, Tips and Buying Guides from Our Experts
Manuals
Ask A Question!
*Required Fields
+
Thank You For Submitting Your Question
Your submission has been sent successfully. Please give our experts up to two business days to respond.
Media Gallery
Cummins RS40 Quiet Connect™ Series 40kW Standby Power Generator (120/240V 3-Phase)
Customer Review Images
