400A Transfer Switch – Service Entrance Rated Outdoor ATS | Generac RTSW400A3

Description

Generac 400A Automatic Transfer Switch – Model RTSW400A3

Designed for whole-home backup, the Generac RTSW400A3 400A Automatic Transfer Switch is built to handle serious power needs with smooth transition, safety, and dependability. Housed in a durable NEMA 3R aluminum enclosure, this switch manages up to 96,000 watts and is compatible with a wide range of Generac generators.

• Reliable 400 Amp Capacity: Handles demanding home or light commercial loads.
• Durable Aluminum Enclosure: NEMA 3R rated for outdoor use in any weather.
• ETL Listed: Built to industry safety and performance standards.
• Open Transition Load Transfer: Designed for minimal interruption and long-term generator use.
• Time-Delay Features: Includes warmup, transfer, and cooldown delays for safe switching and generator performance.
• Compatible With: Dozens of Generac standby models (QT, RG, RD series).

Key Specifications

• Amperage: 400A
• Voltage: 120/240V Single Phase
• Max Wattage: 96,000W
• Enclosure: NEMA 3R Aluminum
• Engine Warm-Up Delay: 5 sec
• Transfer Delay: 10 sec
• Re-Transfer Delay: 15 sec
• Withstand Current: 22,000A
• Dimensions: 48″ H x 21.75″ W x 10″ D