400 Amp Transfer Switch 277/480 3-Phase NEMA 3R CUL MPN:RTSN400K3
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In Stock
Free Shipping
In Stock
SKU
510-G5960665
400 Amp Transfer Switch 277/480 3-Phase NEMA 3R CUL
The Generac 400 Amp Transfer Switch is a reliable and efficient solution for automatic power transfer in commercial and industrial settings. This 3-phase switch ensures seamless transition between power sources, protecting equipment and reducing downtime. With a NEMA 3R enclosure and steel construction, it provides a rugged and durable design. Suitable for use in a variety of applications, including data centers, hospitals, and manufacturing facilities, this transfer switch offers a 2-year warranty and automatic exerciser for added peace of mind. Its compact size and easy installation make it an ideal choice for a range of industries and environments.
Top product features:
- Automatic Transfer Switch
- 3-Phase Capability
- Automatic Exerciser
Top product applications:
- Backup Power System for Critical Facilities
- Industrial Power Distribution System
- Emergency Power Generator System for Hospitals
Automatic Transfer Switch, Voltage 480, Phase 3, NEMA Enclosure Type 3R, Load Transition Type Open, Standard Installation, Max. Amps 400, Height 48 In., Width 30 In., Depth 10 In., Enclosure Material Steel, 2-Wire Start No, Warranty 2 yr., Automatic Exerciser Yes, Gray
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 5 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 33.50
- Package Width: 54.00
- Package Height: 19.00
- Package Weight: 220.00
Product info last updated on February 8, 2026 12:16pm UTC
Category: Generators