Generac Transfer Switch, 400A | Non-Service Entrance Rated

Key Features:

• Intelligent Load Management: The RTSC400A3 is equipped with integrated Smart A/C Module (SACM) technology, allowing it to manage up to four individual HVAC loads without the need for additional hardware. This intelligent load management ensures a more efficient system and can reduce the size of the generator needed to protect your home. 

• NEMA 3R Outdoor Rated Enclosure: The steel NEMA 3R enclosure provides excellent protection for the internal components of the switch. It is designed to withstand environmental elements such as rain, snow, ice, and debris, making it suitable for both indoor and outdoor installations. 

• Heavy-Duty Generac Contactor: The switch features a cETL recognized Generac contactor, which is engineered for long-lasting performance and reliability. This ensures that the switch can handle high power loads and continue to operate effectively over the years. 

• Seamless Integration: Designed for use with Generac single-phase generators that utilize Evolution™ or Nexus™ controllers, the RTSC400A3 handles all timing, sensing, exercising functions, and transfer commands efficiently. This seamless integration ensures reliable performance and ease of use. 

• 5-Year Limited Warranty: Generac stands by the high quality and innovative design of this transfer switch with a strong 5-year limited warranty. This warranty provides peace of mind and assurance of the product’s durability and reliability. 

Specifications:

• Amperage: 400A 

• Voltage: 120/240, Single Phase 

• Load Transition Type: Open transition 

• Enclosure Type: NEMA 3R (Steel) 

• Compliance: cETLus 

• Withstand Rating: 22,000 Amps 

• Lug Range: 600 MCM – #4 or (2) 1/0 – 250 MCM 

Functions:

• Utility Voltage Drop-out: <60% 

• Timer to Generator Start: 10 seconds (factory set, adjustable between 2 – 1,500 seconds by a qualified dealer) 

• Engine Warmup Delay: 5 seconds 

• Standby Voltage Sensor: 60% for 5 seconds 

• Utility Voltage Pickup: >80% 

• Re-transfer Time Delay: 15 seconds 

• Engine Cooldown Timer: 60 seconds 

• Exerciser: Nexus™: 12 minutes weekly, Evolution™: 5 to 12 minutes adjustable, weekly/bi-weekly/monthly 

Additional Features:

• Manual Operation: The transfer switch can be manually operated without power applied, providing flexibility in various situations.