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Generac RG04845GNAX 48Kw 120/208V Three Phase Protector QS Standby Generator

by Generac

$18,697.00 + Free Shipping
Ships Factory Direct
This is a Built to Order item and ships from the manufacturer within 10 to 15 business days. For further assistance please call 800.629.3325

Condition: New


Product Downloads





Owner's Manual


Wi-Fi Manual



  • Premium-Grade Emergency Standby Generator
  • For commercial buildings with 120/208V 3-Phase service
  • 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
  • Operates on Clean Burning, Efficient Natural Gas or LP (Vapor)
  • Connects to your existing LP or natural gas fuel supply
  • 4.5L Generac Inline 4-Cylinder Engine
  • Hydraulic lifters for improved performance and less maintenance
  • Operates at half the speed of other engines (1800 vs. 3600 RPM)
  • TRUE POWER Electrical Technology
  • Less than 5 percent Total Harmonic Distortion (THD) for utility grade power
  • Automatic Digital Voltage Regulation (+/-1)
  • Allows for faster response time and 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
  • 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 and Engines - Built In The USA
  • Built in the USA using domestic and foreign parts
What's in The Box
  • Generac 48 kW 120/208V Three Phase Protector QS Standby Generator - RG04845GNAX
  • Owners Manual
  • 5-Year Limited Factory Warranty
  • 30 Day Satisfaction Guaranteed
Brand Generac
Product Specs
Voltage 120/208 Three Phase
Frequency 48000 watts
Fuel Type LP/NG
NG Fuel Consumption at 50 Load 336 ft/hr
NG Fuel Consumption at 100 Load 604 ft/hr
LP Fuel Consumption at 50 Load 4.16 gallons/hr
LP Fuel Consumption at 100 Load 6.61 gallons/hr
Rated Amps 167 amps
Decibel Rating 70
Transfer Switch Automatic
Enclosure Aluminum
Cooling System Liquid Cooling
Engine Brand Generac
Starting System 12V Auto Start
CC 4500
Engine RPM 1800
Length 83.4 in
Width 33.5 in
Height 46 in
Weight 1781 lbs
This generator provides essential circuit power protection for your home during a power outage, ensuring that essential appliances maintain power. This standby generator is automatic and offers protection year-round, for less than the cost of central air conditioning.
Every Guardian Series home standby generator comes with Mobile Link™ Remote Monitoring. Remote Monitoring is FREE, and allows you to monitor the status of your generator from anywhere in the world. Use a smartphone, PC, or tablet to access generator information, such as the current operating status and maintenance alerts. By connecting your account you have access to authorized service dealers for fast, friendly, and proactive service.
Generac generators are ideal for weathering storms and power outages. Their automatic backup power gives you piece of mind that your home and appliances are protected.
Generac generators and engines are designed, engineered and assembled in the USA using domestic and foreign parts.
The Generac G-Force Engine is built to handle the stressors of generator use. This results in power that’s more reliable and requires less routine maintenance than competitor engines. Generac’s new G-Force engine is purpose built and pressure-lubricated. It features hydraulic lifters, which improve engine performance and extending the life of the product. (Hydraulic lifters only available on the 13 & 16 kW.)

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