Generac Protectors Series Standby Generator

Generac Protector Series QS 48kW Standby Generator

Looking to back up your entire home, or more items than usual? Consider the Generac Protector Series QS 48kW Standby Generator. These units power essential appliances and modern technologies during power outages, allowing homeowners and their families to continue living life comfortably and without interruption.

The Generac Protector Series QS 48kW Standby Generator has the best liquid cooled engine that packs more power into a smaller footprint – ideal when space is a premium.  The Generac Protector Series QS 48kW Standby Generator fits unobtrusively into landscaping with its neutral styling, color, and small footprint. Clean burning, continuous fuel choice of natural gas to LP. The Generac Protector Series QS 48kW Standby Generator’s 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. 

Have questions for our team of Generac Specialists? Find the right Generac Automatic Standby Generator to power YOUR home or business!

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Features & Benefits

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.

Aluminum Enclosure
Aluminum enclosures provide enhanced durability and are corrosion resistant – ideal for homes located in coastal and salt-water 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.

Tough, Durable All-Aluminum Enclosures
Our RhinoCoat™ powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions.

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.

5-year limited warranty with extended warranty options available
Generac is proud of their innovative product design, high quality and first-class reliability so they stand behind them with a strong 5, 7 or 10-year extended warranties available.

Additional Features
Improved stub ups and electrical connection access decrease installation costs. All connections are dual conductor rated, and the implementation of quick connects for the control wires, completely eliminates the need for crimping or lugging.
Improved customer connection access, which decreases installation costs.

Compare

22 kW 27 kW 32 kW 38 kW 48 kW
Voltage
1800
Cylinders
4
8
100% of Rated Load – NG ft3/hr
316
359
375
437
756
100% of Rated Load- Propane ft3/hr
125
143
166
185
302
Normal Load at 23 ft (DBA)
70
64
65
68
Dimensions (LxWxH in inches)
62.2 x 30.6 x 38.6
76.8 x 35 x 46.1
Weight (lbs.)
900
940
1225
1235
1555

Helpful Resources
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Frequently Asked Questions

How Does a Home Backup Generator Work?

It starts and stops automatically, and never needs refueling. This video explains how and why.

Generac Power Systems Commercial Generator

Commercial Generator how it works. The transfer switch. Keep your business open during a power loss.

How Can You Take Control of Your Power?

Our lives depend on power more and more every day. Learn how to take control of your power and never be left in the dark again.

YOU and your backup power needs are unique and different from anyone else.Don’t wait for the next outage to leave you powerless. Contact our specialists today for a free in-home assessment of your power needs.

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