Residential Generators
RS Series 20000 Natural Gas and Propane
- Very quiet operation
- Aluminum weather resistant housing
- Fully automatic operation when used with a Cummins Onan automatic transfer panel
- Available for use with natural gas or LP vapor
- Attractive and discreet housing
- Electronic governor for precise frequency control
- Includes 120 V coolant heater
- Listed to UL 2200
Engine:
- Electronic Ignition
- Electronic governor
- Full-pressure lubrication
- High-capacity oil sump, spin-on oil filter
- Solenoid shift starter
- 60 A, engine-driven battery charger
- Automatic remote starting
- Controls generator set starting and shutdown
- Control components designed to withstand vibration levels typical in generator sets
- Field circuit breaker
- High temperature, low oil pressure, overcrank and over speed shutdowns
- Running time meter
- 90 A UL Listed circuit breaker
- DC control fuse
- Enclosed exhaust silencer
- Low noise
Weight, Size & Sound Levels
| Weight: | 1105 lb (501 kg) |
| Size: | Footprint dimensions (for recommended installation): length 64.4 in (1635 mm), width 30 in (762 mm), height 46.7 in (1184.89 mm)
Overall dimensions: length 85.3 in (2166.68 mm), width 30 in (762 mm), height 46.7 in (1184.89 mm) |
| Sound: | 66 dB(A) at 7 m, at full load |
Model Ratings
| Order Model | Fuel | Voltage | Rated kW | kVa | Rated amps | Circuit Breaker |
| 20GGMA-6110 | Natural Gas | 120/240 | 20 | 20 | 166.7/83.3 | 90 A, 2 pole |
| 20GGMA-6111 | LP vapor | 120/240 | 20 | 20 | 166.7/83.3 | 90 A, 2 pole |
Specification sheet Operator manual
| Site derating factors: | |
| Natural Gas | Engine power available up to 3000 ft (915 m) at ambient temperatures up to 104° F (40° C). Above 3000 ft (915 m) derate at 4% per 1000 ft (305 m), and 1.1% per 10° F (2% per 10° C) above 104° F (40° C) |
| Propane | Engine power available up to 3000 ft (915 m) at ambient temperatures up to 104° F (40° C). Above 3000 ft (915 m) derate at 4% per 1000 ft (305 m), and 1.1% per 10° F (2% per 10° C) above 104° F (40° C) |
Warranty
The Cummins Onan RS20000 home standby system comes with a standard 2-year warranty. Additional 2- and 5-year warranty options are available. See your certified distributor or dealer for details.
This product is EPA Emissions certified for emergency standby use only.
Decide What You Need
- Understanding Home Standby Generators
- Estimate Your Power Needs
- Compare Standby Generator Fuel Types
- Download Product Brochure
- Home Emergency Power Guide
