Residential generator
RS Series 12000 Natural Gas and Propane
- Very quiet operation – 64 dB(A) at 7 m at full load
- Internet remote monitoring and email notification
- Automatic load management – the intelligent generator control automatically manages non-essential household loads for maximum utilization of generator power
- Powered by Subaru EH 72 engine with Cummins Onan designed fuel system
- Cummins Onan designed alternator and electronic control
- Powerful motor starting – starts and runs a 4 ton A/C* under full pre-load
- 120 volt GFCI protected outlet on genset
- Self-diagnostic capability
- Service and maintenance information displayed on it home display
- Easy installation with innovative molded polymer installation base – no need for a concrete pad
- Electronic governor for precise frequency control
- Flexible 20 inch fuel line provided with genset
- Generator designed and manufactured in the USA
- Emissions certified (60 Hz models)
- UL 2200, CUL and CSA listed generator and transfer switch for your protection
- Utility grade power output, less than 5% THD
Weight, Size & Sound Levels
| Weight: | 460 lb (209 kg) |
| Size: | Length 48 in (1219 mm), width 34 in (864 mm), height 31.5 in (800 mm) Generator w/cover: length 53 in (1346 mm), width 43 in (1092 mm), height 31.5 in (800 mm) |
| Sound: | 64 dB(A) at 23 ft (7 m) at full load |
Model Ratings
| Order Model | Fuel | Voltage | Rated kW | Rated amps | Circuit Breaker |
| 12GSAA-6707 | Natural Gas | 120/240 | 10.5 kW | 87.5/43.75 | 50 A, 2 pole |
| 12GSAA-6707 | LP vapor | 120/240 | 12 kW | 100/50 | 50 A, 2 pole |
Specification sheet Operator manual
| Site derating factors: | |
| –Derating guidelines: Full rated power available at 60° F (15.5° C) at sea level. Derate 3.5% for each 1000 ft (304.8 m) above sea level and 1.5% for each 10° F (-12.5° C) increase in ambient temperature above 60° F (15.5° C) | |
| –Prototype tested @ 110° F (43° C) with TRANE® 4 ton A/C unit (model 4TCX3048A1000A) with an additional 5 kW pre-load applied. Contact an HVAC specialist for proper generator sizing guidelines. | |
Warranty
The Cummins Onan RS12000 home standby system comes with a standard 2-year/2,000 hour limited warranty. Warranty is valid on all RS12000 generators only when sold with Cummins Onan RSS model transfer switches. A 1-year/1000 hour warranty will apply if the RS12000 generator is used in an off-grid application or if it is used with any other transfer switch. The RS12000 generator set (12GSAA-6707) and RSS service entrance rated transfer swithes (RSS100-6868 and RSS200-2869) are spcifically designed to function together. Using any other product in conjunction with model RSS100-6868 or RSS200-6869 will void the warranty. The RSS standard transfer switch (RSS100-6634 and RSS200-6635) may be used with other generators.
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Parts, Service & Support
- Find an Operator Manual
- Maintaining Your Portable Generator
- Specification Sheets for Portable Generators
