The Cummins Onan RSS100 6634 100 Amp Automatic Transfer Switch offers a smart and fully rated power management solution for home standby applications. This heavy-duty system monitors utility grid conditions continuously, ensuring safe and immediate power delivery by automatically starting and transferring electrical loads to your generator during unexpected blackouts.

Engineered with a mechanically interlocked contactor driven by a powerful and economical solenoid, this system provides highly efficient load shifting. It simplifies installations and reduces installation costs significantly, while the user-friendly front panel is fully configurable to support custom settings such as a 12 hour exercise offset and selectable generator exercise at repeatable intervals.

Built for maximum field longevity, this automatic switch features a silver plated copper ground and neutral bus combined with long-life high-pressure silver alloy contacts that resist burning and pitting. The system features solderless screw type terminals for external power connections and is housed inside a weather-resistant Nema 3R Indoor/Outdoor enclosure for quiet and protected operation in any environment.

Key Features

• Mechanically Interlocked Contactor Driven by a Powerful and Economical Solenoid
• High Pressure Silver Alloy Contacts to Resist Burning and Pitting
• User Friendly and Fully Configurable Front Panel Interface
• Integrated Twelve Hour Generator Exercise Offset Control
• Selectable Generator Exercise Cycles at Repeatable Intervals
• Integrated Automatic Two Amp Regulated Battery Charger
• Engineered to Simplify Installations and Reduce Installation Costs
• Fully Rated Automatic Transfer Switch for Emergency Standby Systems
• Premium Silver Plated Copper Ground and Neutral Bus Bars
• Solderless Screw Type Terminals for Easy External Power Connections
• Weatherproof Nema 3R Indoor and Outdoor Certified Protective Enclosure

Specifications