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The guardian 400-amp automatic transfer switch (277/480v) is available for purchase today.

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Guardian 400-Amp Automatic Transfer Switch (277/480V)

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3-Phase Automatic Transfer switch
Only works with 277/480 3-Phase generators

Fully Automatic Operation

Standard Installation
May require a sub-panel or disconnect for serviceability

Larger Applications
Nema 3R Aluminum Enclosure

For Use With Generac Generators Only

UL Listed 2200

  Model Number:RTSN400K3
 Manufacturer Name:Generac Guardian
 Voltage:277/480 Three-Phase
 Frequency:60 Hertz
 Rated Amps:400 Amps
 ATS Service Disconnect:No
 ATS Poles:3 Poles
 Max Generator Input:400 Amps
 Max Utility Input:400 Amps
 Enclosure:NEMA 3R
 UL Listed:Yes
 Weight:200 Lbs. (90.72 kilograms)
 Dimensions:31.3"L x 24"W x 10"H
(79.50 x 60.96 x 25.40 cm)
 Warranty:2 Years
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Free Freight
  • Ships via Semi-Truck
We currently CANNOT ship this product to Alaska, Hawaii or any destination outside of the United States
Lift Gate Services
  • Safely Lowers Products Off the Truck
  • Requires Special Hydraulic Lift
  • $50.00 Service Charge
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Shop for the Guardian 400-Amp Automatic Transfer Switch (277/480V) at Electric Generators Direct. Research Generac Guardian 696471611885 automatic transfer switches online. Find Generac Guardian RTSN400K3 automatic transfer switches & Genearc 400A 480V ATS features and specifications. Get the best deal; compare Generac Guardian RTSN400K3 prices now. Buy the RTSN400K3 direct and save.