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Onan Home Standby Generators

Home standby generators are more than a luxury these days. Extreme weather, construction, and many other unforeseen complications can interrupt the electrical service to your home. With a Cummins Onan Home Standby System, you can rest assure that your home will have all the comfort and convenience you depend on.

Clean, quiet, and neighborhood friendly, all models run on either natural gas or propane. Click here to learn how the system works.


RS12000

11 kW home standby generator
RS20000
20 kW home standby generator
RS30000
30 kW home standby generator
RS45000
45 kW home standby generator
RST Automatic Transfer Panel
60/100/200 Amp transfer panel
RSZ Automatic Transfer Switch
100/200 Amp transfer switch


Onan RS 12000RS12000

Very quiet and clean to operate, the Onan RS 12000 Home Standby System is designed to be neighborhood friendly. This generator unit comes conveniently pre-mounted on its own installation base, eliminating the need for a poured concrete pad.

  • Very quiet operation - 64 dB(A) at 7 m at full load
  • Internet remote monitoring and email notification
  • Automatic load management - The intelligent generator control automatically manages nonessential household loads for maximum utilization of generator power
  • Powered by Subaru EH 72 engine with Cummins Onan designed fuel system
  • Cummins Onan designed alternator and electronic control
  • Powerful motor starting - starts and runs a 4 ton A/C* under full pre-load
  • 120 volt GFCI protected outlet on genset
  • Self-diagnostic capability
  • Service and maintenance information displayed on in home display
  • Easy installation with innovative molded polymer installation base - no need for a concrete pad Electronic governor for precise frequency control
  • Flexible 20 inch fuel line provided with genset
  • Generator designed and manufactured in the USA
  • Emissions certified (60 Hz models)
  • UL 2200, CUL and CSA listed generator and transfer switch for your protection
  • Utility grade power output, less than 5% THD.
Spec Sheet

Onan RS 20000 home standby generatorRS20000

The Onan RS20000 Home Standby System is designed for quiet, neighborhood friendly operation.

  • Very quiet operation - 66 dB(A) at 7 m
  • Fully automatic operation when used with an Onan Automatic Transfer Panel
  • Available for use with Natural Gas or LP Vapor
  • Fully enclosed muffler

Standard Features

  • Attractive and discreet housing
  • Aluminum weather resistant housing
  • High quality commercial grade materials
  • Lockable access doors
  • Self-diagnostic capability
  • Modest maintenance requirements
  • Electronic Governor for precise frequency control
  • Includes 120 V coolant heater
  • Listed to UL 2200
  • Standard 150 mph certified wind load rating
Spec Sheet

Onan RS 20000 home standby generatorRS30000

The Onan RS30000 Home Standby System is designed for quiet, neighborhood friendly operation.

  • Very quiet operation - 66 dB(A) at 7 m
  • Available for use with Natural Gas or LP Vapor
  • Fully automatic operation when used with an Onan Automatic Transfer Panel
  • Fully enclosed muffler

Standard Features

  • Attractive and discreet housing
  • Aluminum weather resistant housing
  • High quality commercial grade materials
  • Electronic Governor for precise frequency control
  • Includes 120 V coolant heater
  • Listed to UL 2200
  • Lockable access doors
  • Self-diagnostic capability
  • Modest maintenance requirements
  • Standard 150 mph certified wind load rating
Spec Sheet

Onan RS 45000 Home Standby SystemRS45000

Powerful enough to run all the comforts and conveniences of your home, the Onan RS 45000 Home Standby System is designed for quiet, neighborhood friendly operation.

  • Very quiet operation
  • Runs on either natural gas or propane
  • Fully automatic operation when used with an Onan Automatic Transfer Panel
  • Standard one-year warranty

Standard Features

  • Attractive and discreet housing
  • High quality commercial grade materials
  • Lockable access doors
  • Self-diagnostic capability
  • Modest maintenance requiremen
Spec Sheet

RST Automatic Transfer Panel RST Automatic Transfer Panel

The Onan RST Automatic Transfer Panel combines reliability and flexibility in a small, economical package for transferring loads between the utility and generator set. Designed for residential or light commercial standby.

  • Works together with the Onan RS series generators
  • Starts the generator set and transfers power to the generator when utility power fails
  • Automatically shuts down generator when utility power is restored

Standard Features

  • 60, 100 or 200 Amp models
  • UL 1008 listed/CSA-approved
  • Mechanically interlocked contactor
  • Fully automatic control
  • Automatic 2-Amp regulated battery charger
  • UL Type 1 Enclosure
Spec Sheet

RSZ Automatic Transfer Switch RSZ Automatic Transfer Switch

The Onan RSZ Automatic Transfer Panel combines reliability and flexibility in a small, economical package for transferring loads between the utility and generator set. Designed for residential or light commercial standby.

  • Works together with the Onan RS series generators
  • Starts the generator set and transfers power to the generator when utility power fails
  • Automatically shuts down generator when utility power is restored

Standard Features

  • 100 or 200 Amp models
  • UL 1008 listed/CSA-approved
  • Mechanically interlocked contactor
  • Fully automatic control
  • Automatic 1.25-Amp regulated battery charger
  • NEMA 1 or 3 R enclosure
Spec Sheet
generator upgrade

Call Allpower Generator to get...
..upgraded!

ALLPOWER GENERATOR
not
All Power Generator

If you see All Power as two words on your generator it is not us. We do not sell or service these generators.

Algae-x fuel conditioning
Once clear & bright but now dark and cloudy?
We're talking about degraded diesel fuel quality.
ALLPOWER is an authorized
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