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Home Generators Commercial Generators 48kW Generac Protector Series 120/240V Generator 3-Phase Natural Gas or Propane | RG04845JNAX
Generac 48kW Protector Natural Gas / Propane Standby Generator 120/208V 3-Phase SCAQMD Compliant | RG04845GNAC
Generac 48kW Protector Natural Gas / Propane Standby Generator 120/208V 3-Phase SCAQMD Compliant | RG04845GNAC $13,989.00
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Generac 48kW Protector Series 120/208V 3-Phase Generator Natural Gas or Propane | RG04845GNAX
Generac 48kW Protector Series 120/208V 3-Phase Generator Natural Gas or Propane | RG04845GNAX $11,745.00

48kW Generac Protector Series 120/240V Generator 3-Phase Natural Gas or Propane | RG04845JNAX

$11,745.00

  • 48kW Generac Protector Series 240V Generator 3-Phase RG04845JNAX
  • Made in the USA
  • Utility-Grade True Power Technology with Less than 5% THD
  • Smart User-Friendly Evolution Controller with LCD Display
  • Quiet-Test Low-Speed Programmable Self-Test
  • Mobile Link Connectivity—Monitor Generator Status Anywhere in the World.
  • Durable RhinoCoat All Aluminum Enclosure
  • Generac 5-Year Limited Warranty—Extended Warranty Available
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Category: Commercial Generators Tag: 240V Standby Generator, Clean Power Generator., Generac 48kW Generator, Natural Gas Generator, Propane Generator, Protector Series Generator
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Description

48kW Generac 240V Three-Phase Standby Generator | Model RG04845JNAX

Ensure uninterrupted power for your business or agricultural operation with the Generac 48kW Generator. Designed for optimal efficiency and reliability, this Protector Series Generator delivers True Power Technology, providing clean, utility-grade power with less than 5% Total Harmonic Distortion (THD). Whether powering office equipment, air conditioning, appliances, or motor-driven equipment, this generator ensures your business continues running smoothly during power outages.


Features and Benefits

1. True Power Technology

  • Utility-Grade Power: Provides clean, stable power that’s safe for sensitive electronics, ensuring smooth operation of appliances, lights, air conditioners, pumps, and heavy-duty motors all at once.
  • Low Total Harmonic Distortion (THD): Less than 5% THD ensures high-quality, reliable power delivery.

2. Purpose-Built 4.5L Generac Engine

  • Engine Design: The engine is designed in Wisconsin for peak efficiency across all temperature ranges and elevations, offering outstanding performance and reliability.
  • Fuel Efficiency: Features intelligent engine controls and ultra-low-pressure fuel delivery for optimal fuel efficiency.

3. Evolution Controller with LCD Display

  • User-Friendly: The smart, easy-to-read display allows you to monitor generator performance and track maintenance schedules without opening the cabinet.
  • Automatic Digital Voltage Regulation: Provides consistent voltage regulation to within ± 1%.
  • Status Logs: Review performance and maintenance logs for smooth operations.

4. Quiet-Test Mode

  • The Quiet-Test Self-Test Mode runs diagnostics while exercising the generator at a lower speed, ensuring it’s always ready to perform. You can program the generator to test itself on a weekly, bi-weekly, or monthly basis.

5. Wireless Mobile-Link

  • Remote Monitoring: Comes with standard Mobile-Link for remote access to the generator, enabling you to monitor its status from anywhere using your mobile device, laptop, or desktop.
  • 4G LTE Option: The optional 4G LTE module (sold separately) allows for reliable communication during power outages or natural disasters.

6. Durable Construction

  • Rhino-Coat Finish: The Rhino-Coat powder-coated finish on the aluminum cabinet provides a robust, corrosion-resistant barrier that can withstand harsh environments.
  • Protective Coating: Prevents rust and ensures longevity, keeping your generator in top condition for years to come.

7. Small Footprint and Aesthetic Design

  • Designed to blend seamlessly into any commercial or residential environment, this generator is perfect for tight spaces or yards. Its neutral color allows it to blend with the landscape without attracting undue attention.

Specifications

Model Details

  • Model Number: RG04845JNAX
  • Manufacturer: Generac Power Systems
  • Made in the USA
  • Rated Power: 48kW
  • Voltage: 120/240 Volts, 3-Phase
  • Rated Amps: 144 Amps
  • Surge Amps: 189 Amps
  • Noise Level: 70 dBA under normal load
  • Type: Standby Generator

Engine Details

  • Engine Brand: Generac
  • Engine Size: 4.5L Inline 4-Cylinder
  • Engine RPM: 1,800
  • Cooling System: Liquid Cooled

Fuel Specifications

  • Fuel Type: Natural Gas (NG) or Propane (LP)
  • NG Power Capacity: 48kW
  • LP Power Capacity: 48kW
  • NG Consumption @ Full Load: 604 cu.ft/hr
  • NG Consumption @ Half Load: 336 cu.ft/hr
  • LP Consumption @ Full Load: 6.61 gal/hr
  • LP Consumption @ Half Load: 4.16 gal/hr

Physical Specifications

  • Weight: 1,781 lbs
  • Dimensions: 83.4L x 35W x 46H inches

Additional Features

  • Starting System: Automatic
  • Low Oil Alert: Includes Low Oil Shutdown
  • Mainline Breaker: 150-Amp
  • Battery Requirement: 12-Volt Group 27F 725 CCA (not included)

Applications

This generator is ideal for:

  • Small-to-Medium Businesses
  • Agricultural Operations
  • Office Buildings and Retail Spaces
  • Healthcare Clinics
  • Restaurants and Hotels

FAQs

1. Does this generator require a transfer switch?
Yes, the generator requires a transfer switch, which is sold separately. Contact us for available options.

2. Is the battery included?
No, the generator requires a 12-Volt Group 27F 725 CCA battery, which is available locally.

3. What kind of warranty does the generator come with?
The Generac 48kW Generator comes with a 5-Year Limited Warranty for both commercial and consumer use.

4. How do I monitor the generator remotely?
The Mobile-Link system allows you to monitor the generator’s status via any mobile device, laptop, or desktop computer.


Why Choose the Generac 48kW RG04845JNAX Generator?

  1. Utility-Grade Power: Delivers clean and stable power for sensitive electronics and heavy-duty equipment.
  2. Durable and Reliable: Built to last with a Rhino-Coat finish and advanced fuel efficiency features.
  3. Remote Monitoring: Easy access to generator status and maintenance logs via the Mobile-Link app.
  4. Quiet Operation: Operates at 70 dBA, ideal for noise-sensitive environments.

Order Your Generac 48kW Generator Today

Protect your business or home with the Generac RG04845JNAX 48kW Generator. For pricing, installation, and transfer switch options, call us at +1 (714) 694-3374 today!

Shipping & Delivery
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Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

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