Description
Commercial-Grade Three-Phase Power Transfer Solution
The Generac RTSW200K3 Automatic Transfer Switch is engineered for demanding applications, providing seamless three-phase power transfer during outages. Designed with a service entrance rating, this switch eliminates the need for a separate disconnect device, streamlining installation. Its NEMA 3R aluminum enclosure ensures durability and weather resistance, making it ideal for both indoor and outdoor use.
Features & Benefits:
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Three-Phase Compatibility: Perfect for commercial and large residential standby generator setups requiring three-phase service.
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Service Entrance Rated: Integrated disconnect for streamlined installation—no separate service disconnect needed.
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Durable NEMA 3R Enclosure: Weather-resistant aluminum housing with powder-coated finish for indoor or outdoor placement.
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Heavy-Duty Contactor: UL-recognized contactor designed for years of reliable operation under load.
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Generac Control Integration: Coordinates directly with the generator’s controller for smooth, automatic transfers.
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Load Management Ready: Supports additional load control when paired with Generac’s Smart Management Modules (sold separately).
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UL Listed for Safety: Meets rigorous UL standards for electrical safety and reliability.
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Warranty Protection: Backed by a 5-year limited manufacturer’s warranty.
Specifications Table:
| Attribute | Specification |
|---|---|
| Model Number | RTSW200K3 |
| Brand | Generac |
| Manufacturer’s Warranty | 5-Year Limited Warranty |
| Amperage | 200 Amps |
| Voltage | 120/208V or 277/480V Three-Phase |
| Phase | Three-Phase |
| Service Entrance Rated | Yes |
| NEMA Enclosure Type | NEMA 3R |
| Material | Aluminum |
| UL Listed | Yes |
| Indoor/Outdoor Use | Both |
| Weight | ~65 lb (varies by configuration) |
| Dimensions (L x W x H) | Approx. 8″ x 20″ x 36″ |









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