Description
Premium Whole-Home Power Protection System
The Cummins RS20AC (A061C602) delivers 20kW on propane (18kW on natural gas) of ultra-quiet, reliable backup power, automatically restoring electricity to your entire home in seconds during outages. This complete turnkey system includes a 200A NEMA 3R-rated transfer switch and features Cummins' industrial-grade QSJ999G engine for unmatched performance.
Key System Components:
✔ 20kW Air-Cooled Generator (LP/NG compatible)
✔ 200A Automatic Transfer Switch (A045P697 model)
✔ Cloud Connect Remote Monitoring
✔ Intelligent Load Management (up to 4 circuits)
✔ Weatherproof Aluminum Enclosure
Premium Features & Benefits
✅ Smart Power Management
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Cloud Connect App - Monitor/control from any smartphone or computer
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Intelligent Load Shedding - Prioritizes AC units + essential circuits
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"Crank-Only" Exercise Mode - Reduces engine wear by 75%
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±1% Voltage Regulation - Safe for sensitive electronics
✅ Superior Engine Performance
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QSJ999G Industrial Engine (999cc V-Twin)
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Starts 5-Ton AC Units while powering entire home
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3600 RPM Operation - Industry standard for reliability
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0°F Cold-Weather Ready (optional kits for extreme climates)
✅ Quiet & Efficient Operation
✅ Professional Installation Ready
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18" Clearance Rating - Saves yard space
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NEMA 3R Aluminum Enclosure - Withstands harsh weather
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Pre-Wired Connections - Faster installation
Technical Specifications
Power Output
| Fuel Type |
Running Watts |
Starting Capacity |
Fuel Consumption @ 50% Load |
| Propane |
20,000W |
5-Ton AC + Full Home |
1.9 gal/hr |
| Natural Gas |
18,000W |
5-Ton AC + Full Home |
205 ft³/hr |
Engine & Performance
Transfer Switch
Physical Specifications
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Dimensions: 34.1" W × 36" D × 27.3" H
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Weight: 540 lbs
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Noise Level: 65dB @ 23 ft
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Enclosure: Powder-coated aluminum
Why Choose the RS20AC?
✔ Industry-Leading Quiet Operation - 65dB (residential-friendly)
✔ Smart Load Management - Handles AC startups without flickering lights
✔ 5-Year Warranty - Best-in-class coverage
✔ Made in USA - Cummins' legendary durability
Ideal Applications
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Whole-Home Backup (4,000-6,000 sq. ft. homes)
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Medical Equipment support
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High-Demand Households with multiple AC units
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Storm-Prone Areas requiring reliable protection
Warranty & Support
✔ 5-Year Limited Warranty
✔ 24/7 Cummins Customer Support
