RTSC400A3 - Generac Smart Switch, Non-service Rated, 400 amps, 120/240, 1ø, NEMA 3R
The RTSC400A3 Generac Smart Switch is a high-capacity 400 Amp Automatic Transfer Switch designed for reliable backup power in large residential and light commercial applications. It automatically transfers critical loads from utility power to a standby generator during outages, ensuring uninterrupted power supply.
This non-service rated Smart Switch supports 120/240V single-phase (1ø) systems and features a durable NEMA 3R weatherproof enclosure, making it suitable for both indoor and outdoor installations.
Key Features:
- 400 Amp rated capacity
- 120/240V Single Phase (1ø)
- Integrated Smart AC Module (SACM) for advanced load management
- Non-Service Rated (NSE) design – installs downstream of the main disconnect
- NEMA 3R outdoor-rated enclosure
- Heavy-duty contactor – electrically operated, mechanically held
- Fast transfer time for minimal interruption
- Compatible with Generac Evolution and Nexus controllers
- UL Listed for safety and code compliance
Ideal For:
- Large homes with high electrical demand
- Light commercial buildings
- Properties requiring 400 Amp switching capacity with intelligent load shedding
Upgrade your backup power system with the reliable and intelligent Generac RTSC400A3 Smart Switch.