Generac XG04845ANAX Protector Series 48,000 Watt (48kW) Single-Phase Standby Generator 120/240V With ecobee by Generac Smart Thermostat

48kW NG or LP  |  120/240-Volts 1-Phase  |  EPA Certified  |  Single Side Maintenance

EPA Emissions. Not for Sale in California or Massachusetts.

The Generac 48kW Generator adds well-known features and new improvements with the Protector XG series. The 48kW XG04845 has a 4.5 Liter engine that runs at 1800 RPM under load and 1200 RPM at idle or Quiet Test mode. The Power Zone 410 Controller brings the latest in technology with additional functionality and more features than ever before, including the ability to select the fuel type at the controller without any other modifications. This controller is NFPA 110 capable.

Now Includes ecobee Smart Thermostat Enhanced

• Save up to 26% on annual heating and cooling costs.
  • Learns your schedule to maximize savings with compromising comfort
  • Energy Star Certified
  • Hardwired so you never lose control or worry about replacing batteries
  • Built-in radar occupancy sensor
• Alerts for events that could damage your home
• Control from anywhere with Smartphone, Tablet, or Apple Watch
• Integrates with Apple Home Kit and other integrations.
• Doubles as a hub to alert you to unexpected activity (requires ecobee Smart Security Plan-not included)
• Easy installation. Everything you need is in the box.
• ecobee by Generac 3-year warranty

48kW Generator Standard Features

The new XG series carries forward the familiar features found in earlier models like quiet operation. The Generac 4.5-liter engine beats the competition on fuel efficiency for comparable generator models that produce less power. Generac 48kW XG generators maintain the UL-2200 listing and EPA Compliance. Built with an aluminum enclosure to guard against corrosion and a Generac 5-year/2000-hour limited warranty.

Generac didn’t stop with the features that Protector Series users came to expect.

New 48 kW Generac Generator Features

New Electro-Galvanized base frame components prevent rust and corrosion. Single-side regular maintenance make service fast and easy through the front, key-locked panel. Change or check the oil, oil filter, and air filter; check or change the coolant; replace the spark plugs and check the battery. 

Fuel setup is made easier than ever through the controller. Set the fuel type in the controller—no other adjustments are necessary. 

The 48 kW Generac Generator exercises at 1200 RPM for a peaceful 58 dBA noise level and 64 dBA at 1800 RPM under normal load. The PowerZone 410 Controller has more features and more capability than ever before, including an overload control that eliminates the need for a circuit breaker.

Cellular connectivity is standard for Mobile Link & Fleet.

Key Features:

• 48kW 1-Phase Standby Output - Maximum output for large homes and commercial applications
• 4.5L Generac Engine - Naturally aspirated, liquid-cooled engine built for longevity and efficiency
• True Power™ Electrical Output - Delivers clean power with <5% THD for sensitive electronics
• Power Zone® 410 Controller - Full system status, remote diagnostics, and onboard display
• Mobile Link™ Enabled - Monitor your generator remotely from anywhere, anytime
• Quiet Operation for Its Class - Operates in the low 60 dB(A) range, even at load
• Dual-Fuel Flexibility - Easily switch between LP and NG through digital controls
• Rugged Aluminum Enclosure - RhinoCoat™ finish resists corrosion and supports 145 mph wind ratings
• Efficient Fuel Use - Consumes 6.6 gal/hr LP or 604 ft³/hr NG at full load
• UL 2200 & EPA Compliant - Meets national and regional emissions and safety standards

With superior surge performance, utility-grade power output, and intelligent remote monitoring, the Generac XG04845 delivers the power and control needed to protect your home or business—without compromise.

Specifications