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Protector 50,000-Watt 120-Volt/208-Volt 3-Phase Liquid Cooled Automatic Standby Diesel Generator

  • Automatic quiet-test runs at a lower RPM and uses less fuel
  • Removable doors for easy service and fuel fill access
  • True Power Technology delivers best-in class power quality
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Product Overview

Generac's new Protector Series diesel generators raise the bar for residential and light commercial diesel generators. Building and zoning codes can vary wildly from 1 region to another. In the past, the only answer was to order expensive, custom-configured solutions. Until now. Generac's diesel-powered Protector Series features Code Ready, a set of popular preconfigured options and a range of code-driven accessories, so you can feel confident that your generator will be able to conform to the required local codes. The Protector Series is versatile, adaptable, meets UL requirements and is an affordable optional standby diesel generator for your backup power needs.
  • Evolution controller the next generation of intuitive controllers featuring a multi-lingual, 2-line LCD text display with color-coded, backlit buttons
  • Quiet-test Protector series diesel generator with quiet-test, a weekly self-test mode that runs at a lower RPM is quieter and consumes less fuel
  • 5-year limited warranty, we are proud of our innovative product design, high quality and first-class reliability so we stand behind them with a strong 5-year limited warranty
  • Code ready the Protector series offers compatibility with a variety of environments, with external vent and fill, a UL/CUL 142-listed, double walled base tank, a UL/CUL 2,200-listed generator and a wide range of code-driven accessories
  • External viewing window for easy inspection of generator status and breaker position
  • Removable doors for easy service and fuel fill access
  • Isochronous governor electronic governor control for tight and precise load response and voltage (plus or minus 1%) and frequency regulation
  • 24/7 Generac customer care support 365-days a year, power outages do not always occur during normal working hours that is why we are standing by
  • Please allow approximately 30-days for shipment
  • Crane will be needed for delivery



  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Specifications

Dimensions

Product Height (in.)
57
Product Length (in.)
95
Product Width (in.)
35

Details

Application
Emergency Use,Job Site
Built-in inverter
No
CA (CARB) Compliant
Not CARB Compliant
Color Family
Gray
Engine Displacement (cc)
3400
Engine Make
OEM Branded
Features
Automatic Voltage Regulation,Low Oil Shutdown
Fuel Tank Capacity (gallons)
62
Fuel Technology
Single Fuel
Full load fuel consumption (gallons/hour)
0
Half-Load Run Time
25
Included
No Additional Items Included
Number of Outlets
0
Operational Volume (dB)
70
Outlet Type
120/208 Three Phase
Power/Fuel Type
Diesel
Product Weight (lb.)
2197
Response Time (sec.)
30
Returnable
30-Day
Running Wattage
50000
Start Type
Electric Switch
Starting Wattage
50000
Suggested Uses
Battery Charger,Bench Tools,Halogen Work Light,Large Appliances,Lights,Mobile Devices,Power Tools,Small Appliances,Small Electronics,Sump Pump,Well Pump
Voltage (volts)
120/208

Warranty / Certifications

Certifications and Listings
UL Listed
Manufacturer Warranty
5 Year Limited

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 3.9
    out of 9 reviews
  • 89% recommend this product
Filter by:
Showing 1-9 of 9 reviews
48 kw generator
You did not drain the radiator froze up, had to heat rad to remove your fluid, and put in glycol for my regions cold weather. the oil must come out and filled with oil for this climate, it was most likely mineral oil, has to come out. Otherwise Gen OK. do not like the fact it will not turn over unless coded.. I worked on generators in the mega watts for te last 60 years, so I know what I am doing! I wanted a 100 kw gen. but not available in single phase.
by Sam
Response from MarketingDec 30, 2020
Thank you for taking time out of your day to provide us with your valuable feedback. If you run into any questions, please give us a call at 888-436-3722!
30 Amp cord too short
I find the provided 10' 30 amp cord too short since GENERAC recommends on their web site using at least 20 ft cord. https://www.generac.com/be-prepared/proper-of-generator-extension-cord-types-and-usage Safe Extension Cord Use When you’re using your extension cord, make sure it is long enough to keep the open frame generator at least 20 feet away from your home. For emergency power, make sure it’s long enough to keep your generator away from windows and doors so that carbon monoxide does not enter your home.
by fil2020
Response from MarketingDec 28, 2020
Thank you for taking time out of your day to provide us with your valuable feedback. If you run into any questions, please give us a call at 888-436-3722!
Great Product!!!
Easy Install, quiet, and reliable. Can't ask for more.
by Nedrvz
Response from MarketingJul 19, 2019
Thank you for your review, we appreciate your feedback. If you have any questions, please do not hesitate to contact our customer support team at 888-GENERAC (436-3722).
Quiet and powerful
Just had our old generator swapped out for this one. Glad the case is rust-proof. Also more silent when running
by Tony
Response from MarketingApr 14, 2019
Thank you for the great review, we appreciate your feedback. If you have any questions, please do not hesitate to contact our customer support team at 888-GENERAC (436-3722).
Off to a good start...
Having suffered through a multi-year problem with a competitor's product issues, I went searching for a reliable alternative. I was very professionally guided in my search by TSE Power Solutions and chose a 48KVW diesel unit from Generac. The planning and execution of the installation were exceptionally well handled and went as scheduled. Start-up proceeded flawlessly as well and we are now set to go. I am confident this will be a much better, long term solution that will fit our needs.
by rmefbowhunter
No effort peace of mind
Installed this during a rebuilt with doing so kept in mind during planning. No other service disconnect needed in my area and re-located my electrical system around it. Not had the chance to have it function as it should, but looking forward to not having to lift a finger for it to do so! Have the same at my Mom's home on a 16KW and most of the time she doesn't know power has switched over.
by 600remguy
Response from MarketingJan 2, 2019
Thank you for the great review, we appreciate your feedback. If you any questions, please do not hesitate to contact our customer support team at 888-GENERAC (436-3722).
Wish it had just a few more features
Just installed last week, so it's hard to give a full and accurate rating of this unit. But were in the height of hurricane season so a full review will be forth coming. Last year we had an 11k propane at our old house, no complaints at all. What would be nice for this 20k protector series is the typical scroll through menu that would boost the features rating. I would like to see voltage line to neutral, line to line and amps.
by Lenny
Response from MarketingSep 12, 2018
Thank you for the great review, we appreciate your feedback!
The Generator was installed 2 days ago
The generator looks and functions great. The installation was smooth. My only wish is that it came with a bigger fuel tank. When tested by our electrician the unit performed great.
by Dick
Response from MarketingAug 28, 2018
Thank you for the great review, we appreciate your feedback!
Lesson Learnt
Difficult coordination and lack of CS because the HD team is not equipped to answer technical questions. Similarly, Generac team members were not too helpful since we bought it online and not via their "preferred" set of distributors. All in all, the end user (customer) is at loss because we did not receive help in ordering additional parts and were kept thrown at local distributors who had no interest to help us since we did not purchase the equipment from them. Lesson learnt...
by Mike
Response from GeneracDec 11, 2015
We apologize for your experience, Mike. Please know that we do not sell parts factory direct. Considering this, we do recommend utilizing the outlets through which parts can be purchased. If you need help identifying alternative purchasing options in your local area, please contact us directly at 888-GENERAC (436-3722) with your unit's serial number, and we should be able to assist you further. Generac
2 people found this helpful
Showing 1-9 of 9 reviews