Generac 200A Automatic Transfer Switch with Integrated Surge Protection & 20-Space Load Center

Model Number: 9939

The Generac 200A Automatic Transfer Switch with Integrated Surge Protection & 20-Space Load Center is a comprehensive power management solution designed to provide seamless backup power while protecting your home's electrical system from damaging voltage surges. Rated for 200 amps and service entrance use, this automatic transfer switch safely monitors utility power and automatically transfers your home's electrical load to a compatible Generac standby generator during an outage, then switches back once utility power is restored. The integrated whole-house surge protection device (SPD) helps safeguard sensitive electronics and appliances from transient voltage spikes.

Designed with convenience and flexibility in mind, this unit features an integrated 20-space, 40-circuit load center that simplifies installation by combining multiple electrical components into one compact enclosure. Its durable, weather-resistant construction makes it ideal for residential standby generator installations, while the service entrance rating eliminates the need for additional disconnect equipment in many applications.

Key Features:

• 200-amp service entrance rated automatic transfer switch
• Integrated whole-house surge protection device (SPD)
• Built-in 20-space, 40-circuit load center
• Automatically transfers power during utility outages
• Seamlessly switches back when utility power is restored
• Compatible with Generac residential standby generators
• Consolidated design simplifies installation and wiring
• Protects sensitive electronics and household appliances from power surges
• Durable enclosure designed for long-lasting residential use
• Ideal for whole-home backup power applications