Cummins Connect 20,000-Watt Dual Fuel Home Standby Generator with 200-Amp Automatic Transfer Switch (Liquid Propane / Natural Gas) – Model RS20AC

The Cummins Connect Series RS20AC Home Standby Generator is engineered to provide reliable, fully automatic backup power for residential applications needing higher electrical capacity. With a rated output of 20,000 watts, this model supports essential household systems, major appliances, and selected electrical loads during utility outages.

Capable of operating on either liquid propane or natural gas, the RS20AC offers fuel flexibility and consistent performance when standby power is required. The included 200-amp automatic transfer switch automatically detects utility power loss, starts the generator, and safely transfers load — all without manual intervention — then automatically returns to utility power once service is restored.

Built to Cummins reliability standards, this generator is ideal for homeowners seeking dependable, long-term standby power with automatic operation and strong fuel flexibility.

Specifications

• Model Number: RS20AC

• Rated Output: 20,000 Watts

• Fuel Type: Dual fuel (Liquid Propane / Natural Gas)

• Generator Type: Home standby generator

• Series: Connect Series

• Automatic Transfer Switch: 200-Amp ATS included

• Operation: Fully automatic standby operation

• Application: Residential whole-home backup power

Warranty

• Residential Use: 10-Year Limited Warranty

• Warranty is provided by Cummins and is contingent on product registration, correct installation, and routine maintenance according to manufacturer guidelines.

• Coverage may vary for commercial or non-residential use.