✅ Cummins RS20A – 20kW Quiet Connect™ Home Standby Generator
Product Description
The Cummins RS20A Quiet Connect™ is a 20kW residential standby generator engineered to deliver reliable, automatic backup power to your entire home or critical systems during outages. Designed for quiet operation, high performance, and durability, it seamlessly kicks in within seconds of a power loss to keep your home running smoothly.
Built by Cummins—a global leader in power generation—the RS20A features the QSJ999G V-Twin engine, designed specifically for generator applications. Its weather-resistant aluminum enclosure and advanced sound attenuation make it ideal for residential use, even in noise-sensitive areas. Compatible with natural gas (NG) or propane (LP), it offers versatile installation options.
🔧 Key Features
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20kW Power Output – Delivers up to 20,000 watts on LP and 18,000 watts on NG
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Engine: Cummins QSJ999G V-Twin, purpose-built for generators
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Fuel Type: Dual fuel – Natural Gas (NG) or Propane (LP)
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Quiet Operation: Operates at 65 dBA – ideal for neighborhoods
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Automatic Start: Works with a Cummins automatic transfer switch (sold separately)
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Advanced Load Management: Intelligent system to prevent overload
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Remote Monitoring: Connects via Cummins cloud-based platform or local display
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Enclosure: Corrosion-resistant aluminum with sound insulation for long-lasting protection
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Cold Weather Ready: Operates in temperatures down to -40°F with cold weather accessories
📊 Technical Specifications
| Category | Details |
|---|---|
| Rated Power Capacity | 20 kW (LP) / 18 kW (NG) |
| Voltage | 120/240V AC, single-phase |
| Amperage | 83.3A @ 240V (LP), 75A @ 240V (NG) |
| Engine | QSJ999G V-Twin, air-cooled, 999cc displacement |
| Fuel Consumption | ~2.3 gal/hr (LP) / ~204 ft³/hr (NG) at 50% load |
| Frequency | 60 Hz |
| Cooling System | Air-cooled |
| Sound Level | ~65 dBA @ 7 meters |
| Dimensions (L x W x H) | 34.1″ x 36″ x 27.3″ |
| Weight | ~540 lbs |
| Start Type | Automatic (electric start) |
| Transfer Switch | Compatible with Cummins 200A SE Rated ATS (optional) |
| Warranty | 5-year limited (residential), 2-year commercial |
🛠️ Ideal For
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Whole-home residential backup
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Medium to large homes with central HVAC
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Light commercial or small business applications
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Homes in noise-sensitive areas
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