Generac Protector® QS Series 48kW Automatic Standby Generator (120/208V 3-Phase) #RG04845GNAX

The Generac 48 kW 208V 3 Phase Generator offers best-in-class backup power for small to medium business and agricultural operations. The 3-phase 208 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.)

The 48 kW Generac RG04845GNAX 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 Generator Protector Series 208V 3 Phase Generator, closing your doors or stopping work during power outages becomes a thing of the past.

Note: 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.

Protector® QS 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 & 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 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

*Please Note - Requires Loading Dock, Forklift or Crane For Delivery*

Owner's Manual

Specifications Sheet 

Warranty