RS Series 20AC

RS Series 20AC Natural Gas & Propane Residential Generators (Cold Weather Configuration

  • Equipped with cold weather climate kit
  • Very quiet operation
  • Internet remote monitoring and email notification
  • Automatic load management – The intelligent generator control automatically manages nonessential household loads for maximum utilization of generator power
  • Cummins Onan designed alternator and electronic control
  • Powerful motor starting – starts and runs a 5 ton A/C1 under full pre-load
  • 120 volt GFCI “Ready”
  • 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 12 inch fuel line provided with genset
  • Generator designed and manufactured in the USA
  • U.S. EPA and CARB Emissions Certified
  • CSA Certified generator and transfer switch for your protection
  • Quality power output, less than 5% THD
  • 5 year, 2000 hour limited warranty
  • Click here to view our internet remote monitoring and email notification simulator


Engine

  • Integrated oil drain valve and extension tube included
  • Simple fuel conversion between natural gas and LP
  • 20 A battery charger
  • Highly reliable solenoid shift starter
  • Transistorized magneto ignition
  • Automotive-style lubrication system
  • Oil cooler
  • Spin-on oil filter
  • Electronic governor
  • Large-capacity air cleaner
  • CARB Certified, U.S. EPA Certified

Control System:

  • Cummins Proprietary electronic control with self diagnostics and generator set protection and safety features included
  • Automatically identifies power outage and starts generator
  • Microprocessor control manages generator set operation, fault detection and service diagnostics
  • Illuminated run/off/auto switch
  • Convenient access to all connection points
  • Fully automatic operation

Exhaust muffler:

  • Large automotive grade corrosion resistant muffler design
  • Low noise

Weight, Size & Sound Levels

Weight: 540 lb (245 kg)
Size: Length 53 in (1346 mm), width 43 in (1092 mm), height 34.7 in (880 mm)
Sound: 62 dB(A) at 23ft (7 m), at normal load2

Model Ratings

Series Order Model Part Number Fuel Voltage Frequency Rated amps3 Circuit Breaker Cold weather equipped Listing
RS20AC 20GSBB-6717A A030S533 Natural Gas 120/240 60 Hz 140/70 100 A, 2 pole Yes CSA, EPA
RS20AC 20GSBB-6717A A030S533 LP vapor 120/240 60 Hz 154/77 100 A, 2 pole Yes CSA, EPA

pdf image Specification sheet   pdf image Operator manual

Warranty

Cummins Onan RS20A, RS 20AC, and 14AF generators come standard with a 5 year/2000 hour limited warranty. Extended warranty options available. See warranty statement for additional details.

Prices and Availability Subject to Change Without Notice

Sku
20GSBB
Description
RS Series 20AC
Product Options
#OptionPrice
120KW Natural Gas (Air Cooled w/t cold weather kit)$4,780.00
220KW Liquid Propane (Air Cooled w/t cold weather kit$4,780.00
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