Generac RTSN400K3 400 Amp 277/480 NEMA 3R CUL
The Generac RTSN400K3 400 Amp 277/480 NEMA 3R CUL outdoor rated enclosure and a heavy duty contactor designed for years of service. This Generac Residential Transfer Switch is also designed to be used with three phase generators that utilize an Evolution or Nexus controller. The Service Entrance Transfer Switches are open transition and listed to ETL for Optional Standby applications. Enclosures are provided with integrated deadfront for safe operation of the Service Disconnect. The Service Entrance Switches are ETL listed, and are designed for a single person installation. The Generac RTSN400K3 400 Amp 277/480 NEMA 3R CUL also lists its many different functions such as, Utility Voltage Drop-out (<60%), Timer to Generator Start (5 second Factory Set, Adjustable Between 2-1,500 Seconds by a Qualified Dealer), Engine Warmup Delay (5 second Factory Set, Adjustable Between 2-1,500 Seconds by a Qualified Dealer), Utility Voltage Pickup (>90%), Re-transfer Time Delay (15 seconds), Engine Cooldown Timer (60 seconds), Exerciser (Nexus: 12 Minutes Weekly, and Evolution: 5 to 12 Minutes Adjustable, Weekly/Bi-weekly/Monthly). This Generac Transfer Switch can also be Operated Manually without power applied (When used in conjunction with units utilizing Evolution controls).
Generac Residential Transfer Switch Features:
- Service Entrance Rated – This switch can act as your utility service entrance disconnect for installation in the United States, as the switch has a built in service disconnect breaker.
- Electrically operated, mechanically-held contacts for fast, positive connections.
- 160 millisecond transfer time.
- Rated for all classes of load, 100% equipment rated, both inductive and resistive.
- Generac 2 Year Warranty – We stand by our high-quality, innovative product design with a 2-year limited warranty.
- NEMA 3R Outdoor Rated Enclosure – Designed to give options as to whether to install indoors or outdoors, this enclosure protects the internal components of the switch from rain, snow, ice, and debris.
- Single coil design.
Generac ATS Specification Sheet
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