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Generac Protector RG04845JNAX 48kW Liquid Cooled 3 Phase 120/240V Standby Generator New

Manufacturer: Generac



$ 18,697.00

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Generac Protector RG04845JNAX 48kW Liquid Cooled 3 Phase 120/240V Standby Generator New

Generac Protector RG04845JNAX 48kW Liquid Cooled 3 Phase 120/240V Standby Generator New

Product Overview

A Protector Series generator senses a power outage, turns on automatically, and delivers backup power to all lights, appliances, electronics, pumps, heating and air-conditioning, allowing you to continue living life comfortably and keep business operating without interruption.

It's a quiet affordable back up power solution for larger homes, small-to-medium-sized businesses & is equipped with Mobile Link connectivity so you stay informed of the status of your generator from any device at any time. All of these features, backed by a standard 5-year limited warranty.
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5 year factory warranty


Brand new in box


Ships directly from Generac out of WI


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Natural Gas or Liquid Propane Powered


  • Protector QS Premium-Grade Emergency Standby Generator
  • For commercial buildings with 120/240V 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
  • Includes Mobile Link™ Wi-Fi / Ethernet Connectivity
  • Monitor generator status on a smart phone, tablet or PC
  • Requires internet connection
  • 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 & less maintenance
  • Operates at half the speed of other engines (1800 vs. 3600 RPM)
  • TRUE POWER Electrical Technology
  • Less than 5% Total Harmonic Distortion (THD) for utility grade power
  • 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
  • Aluminum Enclosure w/ RhinoCoat Powder-Coated Finish
  • Corrosion resistant design for all weather conditions
  • Installation Flexibility
  • Can be installed within 18" of a building
  • Always check local building codes
  • Built in the USA using domestic & foreign parts
  • Please Note - Requires Loading Dock, Forklift or Crane For Delivery


Voltage120/240 Three-Phase
Frequency60 Hertz
Rated Watts48000 Watts
Fuel TypeLP/Natural Gas
NG Power Capacity48000 Watts
LP Power Capacity48000 Watts
NG Fuel Consumption @ 50% Load336 ft³/hr
NG Fuel Consumption @ 100% Load604 ft³/hr
LP Fuel Consumption @ 50% Load4.16 gallons/hr
LP Fuel Consumption @ 100% Load6.61 gallons/hr
Rated Amps144 Amps
Decibel Rating @ 7m Learn More70
Transfer SwitchAutomatic (Not Included)
BatteryNot Included
Circuit Breaker Size150 Amps
Mounting PadConcrete (Not Included)
Cooling SystemLiquid Cooled
UL ListedYes
Grade TypeEmergency
Wi-Fi Remote MonitoringYes
Engine BrandGenerac
Starting System12v Auto Start
CC4500 CC
Consumer Engine Warranty2 Years
Commercial Engine Warranty2 Years
Engine RPM1800 RPM
Low Oil Alert/ShutdownYes
Weight1781 Pounds
Made in USAYes
Consumer Warranty5 Years
Commercial Warranty5 Years
Product StyleStandby Generator
Product Length83.4 Inches
Product Width33.5 Inches
Product Height46 Inches

Package Contents

Generac RG04845JNAX Generator



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This item comes with a 5 year factory warranty.

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