Generac Protector RG08045GNAX
Generac Protector RG08045GNAX
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Generac Protector® 80kW Standby Generator w/ Mobile Link™ (120/208V 3-Phase)(NG) (48-State)



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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Estimated Availability June 28, 2021
Shipping to60601
Shipping Details
  • Free to Lower 48 States
*We currently CANNOT ship this product to Alaska, California, Hawaii, Massachusetts or any destination outside of the United States
$299 / Month
With our 132 months 9.99% APR*
132 fixed monthly payments required.
Available Add-Ons
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Generac Protector® 80kW Standby Generator w/ Mobile Link™ (120/208V 3-Phase)(NG) (48-State)
Generac Protector® 80kW Standby Generator w/ Mobile Link™ (120/208V 3-Phase)(NG) (48-State)
Model: RG08045GNAX
How-To Articles





Standby (Liquid Cooled)

Run Watts

80,000 Rated Watts


120/208 Three-Phase


Natural Gas



  • Protector® Emergency Standby Generator
  • For commercial buildings w/ 120/208 Volt Three-Phase service
  • Natural Gas (NG) Powered
  • WILL NOT WORK with LP fuel source
  • *Automatic Operation Only*
  • Requires automatic transfer switch (Not Included)
  • Fully automatic operation when paired with Generac Smart Switch
  • 5-Year Limited Warranty + 24/7-365 Customer Support
  • Have your questions answered when it's convenient for you
  • Includes Mobile Link™ Wi-Fi / Ethernet Connectivity*
  • Monitor generator status on a smart phone, tablet or PC
  • *Requires internet connection
  • 4.5L Generac Inline 4-Cylinder Engine
  • Hydraulic lifters for improved performance & less maintenance
  • Operates at half the speed of other engines (1800 vs. 3600 RPM)
  • Automatic Digital Voltage Regulation (+/-1%)
  • Allows for faster response time & maximum motor starting ability
  • Evolution™ 2.0 Digital Controller
  • Multilingual, 2-Line LCD display for simple, straightforward operation
  • Programmable-exerciser helps prevent oil seal drying and damage
  • QUIET-TEST™ Self-Test Mode
  • Runs at a lower RPM for a five or twelve minute test
  • Includes Mobile Link™ Wi-Fi Remote Monitoring*
  • Monitor generator status on a smart phone, tablet or PC
  • *Requires internet connection and wireless router
  • Aluminum Enclosure w/ RhinoCoat™ Powder-Coated Finish
  • Corrosion resistant design for all weather conditions
  • Installation Flexibility*
  • Can be installed within 36" of a building
  • *Always check local building codes
  • Generac Standby Generators & Engines - Built In The USA
  • Built in the USA using domestic & foreign parts
  • UL 2020 Listed
  • Not For Sale In MA/CA
  • ^Please Note - Requires Loading Dock, Forklift or Crane For Delivery^
California residents see
Warning: This product can expose you to chemicals including Carbon monoxide which is known to the State of California to cause Developmental Harm.
For more information go to:


Product Specs
120/208 Three-Phase
60 Hertz
Auto Voltage Regulation
Rated Watts
80000 Watts
Fuel Type
Natural Gas
NG Power Capacity
80000 Watts
NG Fuel Consumption @ 50% Load
534 ft³/hr
NG Fuel Consumption @ 100% Load
1063 ft³/hr
Rated Amps
277 Amps
Decibel Rating @ 7m Learn More
Decibel Rating @ 7m
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
Transfer Switch
Automatic (Not Included)
Not Included
Circuit Breaker Size
300 Amps
Mounting Pad
Concrete (Not Included)
Cooling System
Liquid Cooled
UL Listed
Grade Type
Engine Brand
Starting System
12v Auto Start
4500 CC
Consumer Engine Warranty
5 Years
Commercial Engine Warranty
5 Years
Engine RPM
1800 RPM
Low Oil Alert/Shutdown
1912 Pounds
Made in USA
Consumer Warranty
5 Years
Commercial Warranty
5 Years
Product Length
97.4 Inches
Product Style
Standby Generator
Product Width
38 Inches
Product Height
48.9 Inches


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Generac Protector® 80kW Standby Generator w/ Mobile Link™ (120/208V 3-Phase)(NG) (48-State)
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