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GENERAC Automatic Transfer Switch: Single Phase, 300 A Current Rating - Automatic Transfer Switches
GENERACAutomatic Transfer Switches

GENERAC Automatic Transfer Switch: Single Phase, 300 A Current Rating

The GENERAC Automatic Transfer Switch: Single Phase (SKU RTSW300A3, MPN RTSW300A3) is a 300 A service-rated transfer switch with a rated voltage of 120/240V AC. It features an aluminum enclosure and is compatible…

SKU 3G-OTH-371160

Brand
GENERAC
Item
Automatic Transfer Switch: Single Phase, 300 A Current Rating
Category
Automatic Transfer Switches
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GENERAC
Manufacturer Part Number
RTSW300A3
Type
Service Rated Transfer Switch
Lockable
No
Rated Voltage
120/240V AC
Current Rating
300 A
Enclosure Material
Aluminum
Compatible with Series
RTS
Service Rated Transfer Switch
Yes

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

Product Description

The GENERAC Automatic Transfer Switch: Single Phase (SKU RTSW300A3, MPN RTSW300A3) is a 300 A service-rated transfer switch with a rated voltage of 120/240V AC. It features an aluminum enclosure and is compatible with the RTS series. This unit is not lockable.

Frequently Asked Questions

What is the GENERAC RTSW300A3 automatic transfer switch used for?

The GENERAC RTSW300A3 is a 300 A service-rated transfer switch used to safely switch electrical loads between utility power and a backup generator in single-phase residential or commercial applications. It is compatible with the RTS series and features an aluminum enclosure for durability.

What are the specifications of the GENERAC RTSW300A3 transfer switch?

The GENERAC RTSW300A3 is a single-phase, 300 A service-rated transfer switch with a rated voltage of 120/240V AC. It has an aluminum enclosure, is not lockable, and is compatible with the RTS series. The manufacturer part number is RTSW300A3.

Where to buy the GENERAC RTSW300A3 transfer switch worldwide?

You can source the GENERAC RTSW300A3 transfer switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the GENERAC RTSW300A3 automatic transfer switch?

Installation of the GENERAC RTSW300A3 should be performed by a licensed electrician following local codes and the manufacturer's manual. Ensure the generator and utility inputs are de-energized, mount the aluminum enclosure securely, and connect conductors per the wiring diagram. Always verify voltage and phase compatibility.

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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