Description
Premium Backup Power Solution for Homes and Light Commercial Applications
Product Overview
The Generac Protector Series RD02025ADAE 20kW Diesel Standby Generator redefines reliability and code compliance for residential and light commercial standby power. Built with Generac’s innovative Code Ready design, it comes equipped with popular preconfigured options to simplify installation across varying building and zoning requirements nationwide. Engineered for superior durability, efficient operation, and quiet performance, this generator is ideal for large homes, agricultural operations, and small businesses seeking an affordable, long-lasting diesel backup power solution.
Key Features
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Powerful 20kW Standby Capacity
Seamlessly powers your entire home or business, ensuring operation of refrigeration, HVAC systems, pumps, office equipment, and essential appliances during an outage.
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Mitsubishi 2.5L In-Line 4-Cylinder Diesel Engine
Heavy-duty, industrial-grade engine operates at 1800 RPM, providing superior fuel efficiency, longevity, and performance under continuous loads.
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Integrated 33.5-Gallon Double-Wall Base Fuel Tank
Supplies up to 31 hours of runtime at 50% load, with external venting and fill for simplified fueling and maintenance.
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Fully Automatic Operation
Compatible exclusively with Generac Automatic Transfer Switches (ATS) for seamless switchover within seconds of utility power loss.
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Mobile Link Wi-Fi / Ethernet Connectivity
Remotely monitor generator status, maintenance alerts, and performance in real-time from your smartphone, tablet, or PC. (Requires internet connection.)
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Advanced Evolution Controller
Two-line multilingual LCD digital display provides intuitive monitoring and management of all generator functions and system status.
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Quiet-Test Self-Test Mode
Operates at reduced RPM for lower fuel consumption and quieter weekly exercise cycles, enhancing neighborhood compatibility.
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Isochronous Electronic Governor Control
Ensures precise load response and voltage/frequency regulation (±1%), ideal for sensitive electronics and appliances.
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Corrosion-Resistant Aluminum Enclosure
Sound-attenuated and UV-protected design withstands harsh climates, coastal environments, and salt exposure while maintaining a quiet operation at 65 dB(A) during exercise and 70 dB(A) under full load.
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Code Ready Design
Includes a variety of preconfigured options and UL/CUL 142-listed double-wall fuel tank to meet strict regional code requirements with confidence.
Specifications
| General |
Details |
| Brand |
Generac |
| Model |
RD02025ADAE |
| Series |
Protector Diesel |
| Type |
Standby Generator |
| Application |
Whole Home / Light Commercial Backup |
| Rated Watts |
20kW |
| Rated Amps |
83 Amps |
| Voltage |
120/240V Single Phase |
| Frequency |
60 Hz |
| Engine Brand |
Mitsubishi |
| Engine Model |
2.5L In-Line 4-Cylinder Diesel |
| Engine Displacement |
2500 CC |
| Engine RPM |
1800 RPM |
| Cooling System |
Liquid Cooled |
| Cylinder Sleeve |
Cast Iron |
| Starting System |
12V Auto Start |
| Fuel Type |
Diesel |
| Fuel Tank Capacity |
33.5 gallons (Double-Wall Base Tank) |
| Fuel Tank Material |
Metal |
| Fuel Consumption @ 50% Load |
1.03 gallons/hr |
| Run Time @ 50% Load |
31 hours |
| Alternator Type |
3-Wire Heavy Duty Revolving Field |
| Automatic Voltage Regulation |
Yes |
| Decibel Rating |
65 dBA (Test Mode), 70 dBA (Full Operation) |
| Enclosure Material |
Aluminum (Corrosion Resistant) |
| Circuit Breaker Size |
100 Amps |
| Transfer Switch Compatibility |
Automatic (Sold Separately) |
| Wi-Fi / Ethernet Monitoring |
Mobile Link Connectivity Included |
| Mounting Pad |
Requires Prepared Concrete Site (Not Included) |
| Battery Requirement |
12V, 700 CCA (Not Included) |
| Dimensions (L x W x H) |
81 x 31 x 51 inches |
| Weight |
1528 lbs |
| Certifications / Listings |
UL 2200, UL/CUL 142 |
| Country of Origin |
USA |
| Warranty (Consumer & Commercial) |
5-Year Limited Warranty |
Warranty
✔ 5-Year Factory Limited Warranty
Covers parts and labor for both residential and commercial use, ensuring your investment is protected with Generac’s trusted support.
Why Choose the Generac RD02025ADAE Protector 20kW Diesel Standby Generator?
Engineered for maximum reliability, exceptional fuel efficiency, and code compliance versatility, this Protector Series diesel generator is the ideal choice for homeowners and businesses needing durable, long-lasting backup power with advanced monitoring capabilities for peace of mind.
