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GENERAC Automatic Transfer Switch: Three Phase, 800 A Current Rating, 120/240V AC - Automatic Transfer Switches
GENERACAutomatic Transfer Switches

GENERAC Automatic Transfer Switch: Three Phase, 800 A Current Rating, 120/240V AC

The GENERAC Automatic Transfer Switch: Three Phase (SKU 3G-OTH-371157, MPN RTSN800J3) is a steel-enclosed, lockable automatic transfer switch with an 800 A current rating and a rated voltage of 120/240V AC. It is…

SKU 3G-OTH-371157

Brand
GENERAC
Item
Automatic Transfer Switch: Three Phase, 800 A Current Rating, 120/240V AC
Category
Automatic Transfer Switches
Available to Order
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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
RTSN800J3
Type
Steel, 3R, RTS
AC
120/240V
Lockable
Yes
Rated Voltage
120/240V AC
Current Rating
800 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 (SKU 3G-OTH-371157, MPN RTSN800J3) is a steel-enclosed, lockable automatic transfer switch with an 800 A current rating and a rated voltage of 120/240V AC. It is compatible with the RTS series and is not service rated.

Frequently Asked Questions

What is the GENERAC RTSN800J3 automatic transfer switch used for?

The GENERAC RTSN800J3 is an automatic transfer switch used to safely transfer electrical loads between a primary power source and a backup generator during an outage. It is designed for three-phase, 800 A applications at 120/240V AC, commonly in commercial and industrial facilities.

What are the specifications of the GENERAC RTSN800J3 transfer switch?

The GENERAC RTSN800J3 is a three-phase automatic transfer switch rated for 800 A at 120/240V AC. It features a lockable steel enclosure rated NEMA 3R, is compatible with the RTS series, and is not service rated. The manufacturer part number is RTSN800J3.

Where to buy the GENERAC RTSN800J3 transfer switch worldwide?

3G Electric supplies the GENERAC RTSN800J3 automatic transfer switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this GENERAC model.

How to install the GENERAC RTSN800J3 automatic transfer switch?

Installation of the GENERAC RTSN800J3 must be performed by a licensed electrician following local codes and the manufacturer's manual. Ensure the enclosure is mounted on a sturdy surface, all connections are torqued to spec, and the generator and utility inputs are properly phased before energizing.

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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