Generac RTSN800K3 800 Amp 277/480V 3-Phase Non-SE Rated NEMA 3R Automatic Transfer Switch

The Generac 800A 277/480 3P Non-Service Entrance Rated Automatic Transfer Switches NEMA 3R CUL, intended for non-service entrance applications, comes with a NEMA 3R outdoor-rated enclosure and a robust contactor built for long-lasting performance.

Generac 800 amp RTS switches are compatible with the full 22-150kW line of liquid-cooled generators. The open transition switches are available in 120/208 3ø, 120/240 3ø, and 277/480 3ø.

Standard Features:

• 800 amp RTS transfer switches are housed in a rugged steel NEMA Type 3R enclosure, with electrostatically applied and baked powder paint. The Heavy Duty Generac Contactor is a UL recognized device, designed for years of service. The control at the generator handles all the timing, sensing and exercising functions.

Features:

• Electrically operated, mechanically-held contacts for fast, positive connections.
• Rated for all classes of load, 100% equipment rated, both inductive and resistive.
• Main contacts are silver plated or silver alloy to resist welding and sticking.
• NEMA 3R (indoor/outdoor rated) steel enclosure is standard.
• 160 millisecond transfer time.
• Single coil design.
• Limited 2 year warranty.

Functions:

All timing sensing functions originate in the generator controller

• Utility Voltage Drop-out: <60%
• Timer to Generator Start: 10-Second Factory Set, Adjustable Between 10 - 30 Seconds by a Qualified Dealer*
• Engine Warmup Delay: 5 Second
• 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 and Evolution™: 5 to 12 Minutes Adjustable, Weekly/Bi-weekly/ Monthly
• The Transfer Switch can be Operated Manually Without Power Applied

*When used in conjunction with units utilizing Evolution™ controls.

Specifications:

• Model: RTSN800K3
• Amps: 800
• Voltage: 277/480, 3ø
• Load Transition Type (Automatic): Open Transition
• Enclosure Type: NEMA 3R
• Withstand Rating (Amps): 65,000
• Lug Range: 4/0 - 500 MCM

Dimensions:

• Height - in (mm): 66 (167.6)
• Width - in (mm): 36 (91.4)
• Depth - in (mm): 21 (53.3)
• Weight - lbs (kg): 439 (199.1)