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Model # QT04854JNAC
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MSRP: $16,089.00
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Generac QuietSource 48kW 5.4 (Alum-CA Emission) NG/LP 240V 3 Phase

  • Two Line LCD Tri-Lingual Digital Nexus Controller
  • Isochronous Electronic Governor
  • Sound Attenuated Enclosure
  • Closed Coolant Recovery System
  • Smart Battery Charger
  • UV/Ozone Resistant Hoses
  • ±1% Voltage Regulation
  • Natural Gas or LP Operation
  • 2 Year Limited Warranty
  • UL 2200 Listed

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Details and Specifications


Generac makes it easy to configure a standby backup power system for your home or business needs. The 48kW liquid-cooled generator is capable of providing standby backup protection for large homes and commercial applications, designed specifically for high demand power generation needs.

Powerful low-speed, liquid cooled engine is engineered to run at only 1800 rpm for a substantially quieter generator, consuming less fuel and giving both the engine and alternator a longer life.

Generac's Nexus Controller is the most comprehensive available. The dual line, tri-lingual LCD display allows for easy monitoring and management of generator functions.

Quiet-Test mode for a weekly self-test that runs quieter than other brands. Patented, programmable feature validates proper operation. Runs at lower RPM for reduced noise, less fuel consumption, and fewer emissions.

Standard aluminum, all-weather enclosure provides the ultimate protection from the elements. Aluminum’s corrosion resistance prolongs the life of your generator and is recommended for salt-air, coastal locations.

Clean burning, continuous fuel choice of LP or natural gas.

Neutral styling, color and small footprint fits unobtrusively into landscaping.

Features of the Nexus Controller:
• LCD Display
• Remote Maintenance LED's
• Time & Date
• Alarm Log
• Run Log
• Set Exercise via Display
• Engine Hour Display
• RPM Display & Sensor Loss Alarm
• Frequency
• Battery Voltage Display
• Trilingual Display
• Underspeed/fail to Transfer Alarm
• High Engine Temperature Alarm
• Low Oil Pressure Alarm
• Overcrank Alarm
• Overspeed Alarm
• Maintenance Scheduling

-California Emissions Compliant

Warranty Information

Consumer Warranty: 2 Years Limited
Commercial Warranty: 2 Years Limited

Product Specifications

Model
Model Number QT04854JNAC
Manufacturer Generac Power Systems
Made In USA Yes
Rated Watts 48kW
Voltage 120/240V Three Phase
A/C Ton Rating 2 - 5 Ton
Enclosure Aluminum
UL Listed Yes/California Compliant
Decibel Rating 68 db(A)
Features
Starting System Automatic
Low Oil Alert Low Oil Pressure Shut Down
Hour Meter Yes
Battery Requirement Requires 12V, Group 24F, 525CCA
Mounting Pad Requires Prepared Site
Product Weight 1516 lbs
Shipping Weight 1614 lbs
Dimensions (Inches) 76.77L x 33.5W x 45.1H
Engine
Engine Brand Generac
Engine Size 5.4 Liter
Engine RPM 1800 RPM
Cooling System Liquid Cooled
Frequency 60Hz
Auto Voltage Regulation Yes
Fuel
Fuel Type LP/NG
NG Power Capacity 46kW
LP Power Capacity 48kW
NG Consumption @ Full Load 756 cu.ft/hr
NG Consumption @ 1/2 Load 392 cu.ft/hr
LP Consumption @ Full Load 7.96 gal/hr
LP Consumption @ 1/2 Load 4.14 gal/hr
Transfer Switch
Transfer Switch Model RTS Type/Sold Separately
Warranty Information
Consumer Warranty 2 Years Limited
Commercial Warranty 2 Years Limited
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Shipping Terms

All generators include 24 hour delivery notification and residential delivery. Liftgate service is available on all air-cooled generators and some liquid cooled units – Please call for verification. Free Shipping is curbside service only. Curbside service means the freight company will deliver to your address and lower your generator to the ground. The freight company will not back down driveways, place a generator in a building or where it is being installed. You are responsible for arranging the movement and setting of the generator.

Some restrictions apply to "Free Shipping" you may either view our
Shipping Information page or contact us for details.