Generac 9955 - 400 Amp Service Entrance Rated Automatic Transfer Switch (ATS)

Generac 9955 - 400 Amp Service Entrance Rated Automatic Transfer Switch (ATS)

Generac 9955 is a high-capacity, 400 Amp Service Entrance Rated Automatic Transfer Switch (ATS), designed for large residential and light commercial applications. This single-phase unit includes the main utility disconnect, allowing it to serve as the primary service breaker. Housed in a NEMA 3R enclosure, the 9955 provides seamless, reliable, whole-facility backup power and is compatible with Generac's advanced Evolution and Power Zone controllers.

Features

High Capacity 400 Amp Rating

• Handles 400 amps of continuous transfer current on a single-phase system (120/240V).

Service Entrance Rated

• (Crucial) Includes the integrated 400A main utility disconnect breaker.

NEMA 3R Enclosure

• Housed in a durable, weather-resistant aluminum cabinet.

True Mechanical Lockout

• The heavy-duty transfer switch mechanism is mechanically held.

Generator Compatibility

• Designed for use with large single-phase Generac standby generators that utilize the Evolution™ or Power Zone™ controllers.