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GENERAC Automatic Transfer Switch: Three Phase, 400 A Current Rating, 120/208V AC - Automatic Transfer Switches
GENERACAutomatic Transfer Switches

GENERAC Automatic Transfer Switch: Three Phase, 400 A Current Rating, 120/208V AC

The GENERAC Automatic Transfer Switch: Three Phase is a 400 A, 120/208V AC automatic transfer switch with a 60,000 W max watt rating (MPN RTSN400G3). It features a steel enclosure and is compatible with the RTS…

SKU 3G-OTH-371149

Brand
GENERAC
Item
Automatic Transfer Switch: Three Phase, 400 A Current Rating, 120/208V AC
Category
Automatic Transfer Switches
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

GENERAC
Manufacturer Part Number
RTSN400G3
AC
120/208V
Lockable
No
Max Watt
60,000 W
Rated Voltage
120/208V AC
Current Rating
400 A
Enclosure Material
Steel
Compatible with Series
RTS
Service Rated Transfer Switch
No

Technical Documents

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GENERAC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GENERAC Automatic Transfer Switch: Three Phase is a 400 A, 120/208V AC automatic transfer switch with a 60,000 W max watt rating (MPN RTSN400G3). It features a steel enclosure and is compatible with the RTS series. This unit is not lockable and is not a service-rated transfer switch.

Frequently Asked Questions

What is the GENERAC RTSN400G3 automatic transfer switch used for?

The GENERAC RTSN400G3 is a three-phase automatic transfer switch rated 400 A at 120/208V AC, 60,000 W max watt. It automatically transfers electrical loads between utility and generator power during outages, ensuring continuous operation for industrial facilities, data centers, and critical infrastructure.

What are the specifications of the GENERAC RTSN400G3 transfer switch?

The GENERAC RTSN400G3 is a 400 A, three-phase automatic transfer switch with a 120/208V AC rated voltage and 60,000 W max watt. It features a steel enclosure, is compatible with the RTS series, and is not lockable or service-rated. The manufacturer part number is RTSN400G3.

Where to buy the GENERAC RTSN400G3 transfer switch worldwide?

3G Electric supplies the GENERAC RTSN400G3 automatic transfer switch to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 400 A, 120/208V AC unit.

How to install the GENERAC RTSN400G3 automatic transfer switch?

Installation of the GENERAC RTSN400G3 must follow local electrical codes and the manufacturer's manual. Ensure the 400 A, 120/208V AC supply is disconnected before wiring. Mount the steel enclosure securely, connect utility and generator feeds, and test automatic transfer per GENERAC's RTS series guidelines.

Used in

Common applications for GENERAC
Backup power for commercial buildings — Generac automatic transfer switches (e.g., RTSN600G3) for seamless grid-to-generator transition
Portable power for construction sites — Generac conventional gasoline generator (MPN 7680) for temporary electrical supply
Cold-climate generator operation — Generac extreme cold weather kit (MPN 5618) for engine block heating in low temperatures
Generator battery maintenance in winter — Generac battery warmer (MPN 5633) to ensure reliable starting in cold environments
Generator connection to transfer switch — Generac power cord (MPN 6330) for linking portable generator to inlet box and transfer switch
Cosmetic maintenance of standby generators — Generac touch-up paint kit (MPN 5703) for air-cooled series generator enclosures

GENERAC Products

3G Electric supplies GENERAC automatic transfer switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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