Generac 48kW Protector® Series Standby Generator
Ultimate Whole-Home & Whole-Property Backup Power
When only the most powerful, commercial-grade standby generator will do, the Generac 48kW Protector® Series delivers unmatched reliability and capacity for large homes, multi-unit residences, home offices, workshops, and properties with significant electrical demands. Engineered for performance, this generator automatically senses a power outage and seamlessly restores electricity to your entire home and sensitive systems, so you stay comfortable, safe, and fully operational.
Big Power for Big Demands
The 48kW Protector® generator is ideal for:
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Large or custom homes with high electrical loads
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HVAC systems, multiple circuits, and high-demand appliances
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Home offices, home theaters, and advanced smart technology
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Whole-property backup, including outbuildings and garages
Whether it’s a storm, utility interruption, or extended outage, Generac’s 48kW model keeps life moving without compromise.
Advanced Power You Can Trust
True Power™ Technology delivers industry-leading power quality with less than 5% Total Harmonic Distortion (THD), ensuring clean, smooth electricity for sensitive electronics, medical devices, and modern appliances.
With this level of power stability, you don’t just keep the lights on; you protect what matters most.
Intelligent Control with Evolution™ Controller
The built-in Evolution™ Controller makes system monitoring and adjustment simple and intuitive. Features include:
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Multilingual, two-line LCD display
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Color-coded backlit buttons
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Smart battery charging
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USB flash capability for updates
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Voltage adjustment controls
Advanced control without complexity.
Designed for Durability and Flexibility
Built to endure harsh environments, the 48kW Protector® features a RhinoCoat™ powder-coated aluminum enclosure that resists corrosion and weather exposure. Its compact footprint and neutral styling integrate cleanly into landscaping without disrupting curb appeal.
Flexible Installation & Space-Saving Design
Generac’s advanced design allows for installation as close as 18 inches from a structure, making it suitable even for tighter lots or challenging outdoor spaces. This unique advantage helps save on site prep and placement concerns.
Quiet-Run Weekly Testing
With Quiet-Test™ Mode, your generator runs its regular self-test cycle at a lower RPM and quieter volume. This means less noise in your neighborhood and a more pleasant experience overall. Test scheduling can be customized weekly, bi-weekly, or monthly.
Stay Connected with Mobile Link™
Every Protector® generator includes Mobile Link™ remote monitoring, letting you:
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Check operating status from anywhere
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Track maintenance reminders
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Receive alerts on your phone, tablet, or PC
Peace of mind is easier when you’re just a tap away.
Industry-Leading Warranty Coverage
Generac stands behind its products with a robust warranty, including options for extended coverage up to 5 years. From engineering to performance, you can trust your investment is protected.
Powerful. Intelligent. Dependable. The Generac 48kW Protector® Series whole home generator is engineered to deliver superior whole-home and whole-property backup power, no matter what your electrical needs demand.