Cummins Home Standby Generator – RS20AC, 18 kW-20 kW, Includes RA200SE 200 Amp SE Rated NEMA 3R ATS, 120/240 Volt, Air-Cooled

QSJ999G, naturally aspirated, air-cooled, V-twin, overhead valve engine for reliable power
Single fuel – natural gas or propane vapor
Monitor your generator from almost anywhere with a computer, smart-phone, or tablet
Built in display under the hood
Aluminum enclosure with galvanized steel interior
Sound level is a quiet 65 dB(A)
Flexible Exercise modes includes Cummins patented “crank only” mode that allows the generator to crank the engine and run diagnostics without starting the engine.
Industry leading motor starting capabilities and can easily start and run 2 each 5 ton A/C units under full pre-load.
UL, EPA emissions, and CSA 22.2 and B149-2 compliant
Includes a Cummins RA200SE 200 Amp service entrance rated and NEMA3R outdoor-rated automatic transfer switch.

The Cummins RS20A is an aesthetically pleasing quiet generator with 20 kW of power. This generator is fully automatic (with the optional transfer switch) and can easily start and run a 5 ton air conditioning unit under full pre-load, Cummins backs this generator with a strong 5 year or 2000 hour, limited warranty.

Product

Manufacturer	Cummins
SKU	RS20AC
Model Number	A071Z402
Generator Grade	Emergency
Generator Style	Emergency Standby Generator
Generator Operation	Fully Automatic (With Automatic Transfer Switch)

Engine Details

Engine/Motor Brand	Cummins
Fuel Type	Bi-Fuel: LP & NG
Starting System	Automatic (With ATS)
Engine/Motor Type	Air-Cooled, V-Twin, OHV
Displacement	999 cc
Engine RPM	3600 RPM
Generator RPM	3600 RPM
LP Consumption 50% Ld	68 Cubic Feet/Hour
LP Consumption 100% Ld	116 Cubic Feet/Hour
NG Consumption 50% Ld	205 Cubic Feet/Hour
NG BTU/Hour @ 50% Ld	205000
NG Consumption 100% Ld	300 Cubic Feet/Hour
NG BTU/Hour @ 100% Ld	300000
Enclosure	Aluminum
Low Oil Shutdown/Alert	Yes
Oil Cooler	Yes
Lubrication System	Automotive-Style
Engine Governor	Electronic
Operational Volume (dB @23ft)	65.0
Overload Protection	Yes
Exerciser	Flexible
Altitude Affected	Yes, Call For More Information

Transfer Switch

Transfer Switch	Included
Transfer Switch Model	RA200SE (A064G549, RA212S3)
Transfer Switch Style	Automatic Transfer Switch
Voltage	120/240
Transfer Switch Amperage	200
Phase	Single-Phase
Frequency	60 Hz
Service Entrance Disconnect	Service Entrance Rated
ATS Enclosure	NEMA 3R (Outdoor)

Accessories

Fuel Supply Hose	Included, 1′, Flexible
Cold Weather Kit	Included
Maintenance Kit	Add @ Checkout
Mounting Pad	Add @ Checkout
Battery For Electric Start	Not Included

Warranty

Warranty	5 Year Or 2000 Hour (limited)

Origin

Built In	United States

Other Information

Weight (Lbs.)	540
Ship Weight (Lbs.)	580
Free Shipping	No
Unit Dimensions	34.1″L x 36.0″W x 27.3″H
Agency Compliance	CARB (California), EPA
California Destination-Operators-Buyers Warning	Click Here For California Proposition 65 Warning
Stk. Itm.	No

Generator Details

Watts (LP Standby)	20,000.0
Watts (NG Standby)	18,000.0
Phase	Single-Phase
Voltage	120, 240
Rated Amps @ Min Volt (Commonly 120v)	166.6
Rated Amps @ Min Volts (NG)	150.0
Rated Amps @ Max Volt (Commonly 240v 1-Phase)	83.3
Rated Amps @ Max Volt (NG)	75.0
Frequency	60 Hz
Poles	2
A/C Ton Rating	2 @ 5 Tons
Voltage Regulation	+/-1.25%
Frequency Regulation	0% No Load To Full Load
Total Harmonic Distortion	Less Than 5%
Circuit Breakers	100 Amp
Continuous Battery Charge	Yes
Control Panel Display	Yes, Wired In-Home LCD Display, Maintenance Reminder, Complete Gen-Set Monitoring And Protection, Proprietary Eletronic Control
Load Management	Automatic Load Management @ Generator

Weather Options	Cold weather kit to zero degrees F (Alternator and Regulator Heaters) (AO61C6O1), Extreme Cold Weather kit Below zero Degrees F (Battery Heater, Oil Heater) (Installed) (A054B984) + $205.00

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Cummins Home Standby Generator – RS20AC, 18 kW-20 kW, Includes RA200SE 200 Amp SE Rated NEMA 3R ATS, 120/240 Volt, Air-Cooled