Generac Protector® QS Series 48kW Automatic Standby Generator (120/208V 3-Phase) SCAQMD Compliant #RG04845GNAC

Automatic Backup Power For Large Homes or Businesses. Looking to back up your entire home, office or facility? Consider the Protector gaseous automatic backup generator line. These units powers essential appliances, rooms, spaces and modern technologies during power outages, allowing homeowners, business owners and your customers to continue living/operating and without interruption. 

• True Power™ Technology. Delivers best-in class power quality with less than 5% total harmonic distortion (THD) for clean, smooth operation of sensitive electronics and appliances.

• Evolution™ Controller. A cutting-edge, intuitive control. The Evolution controller features a multilingual, two-line LCD text display with color-coded, backlit buttons. It has received upgrades, including USB flash capability, smart battery charging, voltage adjustment, and backlit membrane pad style buttons.

• 5-year limited warranty with extended warranty options are available. We are proud of our innovative product design, high quality and first-class reliability so we stand behind them with a strong 5, 7 or 10-year limited warranty.

• Aluminum Enclosure NOW Available. Aluminum enclosures provide enhanced durability, and are corrosion resistant – ideal for homes located in coastal and salt-ware environments.

• Quiet-Test™. All backup generators run a weekly test to ensure the system is running properly. Thanks to Quiet-Test, your Protector Series home generator runs its self-test at a lower, quieter RPM, which can be programmed to run weekly, bi-weekly, or monthly.

• Mobile Link™ Remote Monitoring. Mobile Link is the cellular remote monitoring system from Generac that allows you to check your generator's status from anywhere in the world using your computer, tablet or smartphone.

• Consult local Electrical, Noise, and Emmision Code Requirements prior to purchase to ensure you are getting the right product

Owner's Manual

Specifications Sheet 

Warranty