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48 kW Generac Protector Series 277/480V Generator 3-Phase Natural Gas or Propane RG04845KNAX



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48 kW Generac Protector Series 277/480V Generator 3-Phase Natural Gas or Propane RG04845KNAX with 60-day Free returns, Lowest Price Guarantee and We ship worldwide. SHOP NOW!

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48 kW Generac 480V 3 Phase Generator

The 48kW Generac 480V Generator offers best-in-class backup power for small to medium business and agricultural operations. The 3-phase 277/480-volt generator with True Power Technology provides clean, smooth power of the same or better quality as most electric utilities with less than 5% Total Harmonic Distortion (THD.)Generac’s 48kW RG04845KNAX standby generator powers office equipment, air conditioning, appliances, and large or small motor driven equipment with all the power needed to stay open and continue work without interruption. With a Protector Series 480V Generator, closing your doors or stopping work during power outages becomes a thing of the past.


 National Fire Protection Association article 37 (National Building Code) for the installation of Internal Combustion Engines requires a minimum 3-foot clearance between a building and this generator, and 5-feet to the nearest vent, window, door, or other opening. Check with your local building code authority for additional placement and/or installation requirements.

Generac 480V 3 Phase Generator

Generac designs and manufactures the Generac 48kW Generator in Wisconsin. They staff their Customer Care center located near their Waukesha, Wisconsin headquarters 24 hours a day, seven days a week, 365 days a year. Trained and knowledgeable staff answer questions any time of the day or night.

They designed and built their purpose built 4.5L Generac 4-Cylinder in their facilities located in Wisconsin, USA. Featuring first-in-class dual-valve, ultra-low-pressure fuel delivery and intelligent engine controls for more than one hundred performance functions, the Generac RG04845KNAX offer peak efficiency through all temperature ranges and elevations.

True Power Technology ensures utility-grade power. Safe for sensitive electronics—runs appliances and lights—powers heavy duty motors on air conditioners, pumps and shop equipment. All at the same time. Isochronous Frequency regulation within 0.25%, automatic digital voltage regulation to 1%, and less than 5% total harmonic distortion.

The Evolution Controller with LCD display is smart, user-friendly, and viewable without opening the generator cabinet. Monitor generator performance, review status logs, and track maintenance to keep your 480V Generator in top condition and ready for the next power outage.

Generac’s proprietary Quiet-Test self-test mode runs the generator at a lower speed during a five or twelve-minute self-test while it performs diagnostics and exercises the generator. Program regular exercise at weekly, bi-weekly, or monthly intervals to ensure the generator is always ready to protect your home or business from an outage.

Inside, a durable protective coating prevents rust on the RG04845KNAX 480V Generator frame. Outside, the Rhino-Coat Powder-coated finish on the aluminum cabinet forms a corrosion resistant barrier under the harshest environmental conditions.

The Generac Protector Series Standby Generators come with a standard 5-year limited consumer warranty. Norwall offers extended warranty options on the Generac Protector Generators.

Generac 48kW Generator

The 480V 3 Phase Generator with its small footprint and neutral color blends into the local landscape. Perfect for tight spaces in yards or any commercial location.The New RG04845KNAX 48kW 480V Generator replaces the RG04854KNAX Standby with updated features and controls and a new Generac purpose-built engine designed specifically for the demanding needs of a standby generator system.Requires a 12-Volt Group 27F 725 Cold Cranking Amp (CCA) battery, not included and available locally at automotive supply stores, home centers, agricultural supply, and department store retailers.

1 review for 48 kW Generac Protector Series 277/480V Generator 3-Phase Natural Gas or Propane RG04845KNAX

  1. Kaylyn Perez (verified owner)

    The order was placed on Sunday evening & received on Tuesday, that’s excellent delivery service. Even more pleasing the delivery was free.

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