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600A Commercial Automatic Switch – Generac RTSN600J3

Built for commercial-grade performance, this 600A automatic switch is ideal for large three-phase backup systems. Features a durable outdoor-rated enclosure and heavy-duty internal components.

$5,979.00

Description

Generac 600A 3-Phase Automatic Transfer Switch – Model RTSN600J3

Built for larger residential and commercial systems, the Generac RTSN600J3 is a 600-amp, 3-phase automatic transfer switch designed to provide seamless power switching between utility and generator power. With a NEMA 3R rated enclosure and rugged open-transition design, it ensures dependable performance in demanding environments.

This switch supports 120/240V 3-phase applications and is UL listed for safety and performance. Compatible with Generac liquid-cooled generators, it offers durable construction, precise sensing, and fully automated operation.

Key Features:

  • Fully Automatic Operation: Transfers between utility and generator power with no user intervention required.

  • High Amp Capacity: Supports up to 600 amps — ideal for whole-building coverage and larger loads.

  • 3-Phase Compatibility: Rated for 120/240V three-phase power systems.

  • Rugged Build: NEMA 3R rated aluminum enclosure allows for indoor or outdoor installation.

  • Precise Sensing: Adjustable settings for line failure, generator Hz, under-voltage, and time delays.

  • Manual Override: Allows for manual operation during service or emergencies.

  • Lockable Cabinet: For added safety and security in commercial environments.

  • UL Listed: Meets national safety standards for transfer equipment.

Product Specifications:

Specification Details
Model Number RTSN600J3
Amperage 600 Amps
Voltage 120/240V 3-Phase
Frequency 60 Hz
Enclosure Rating NEMA 3R (Outdoor Rated)
Enclosure Material Aluminum
Transfer Style Open Transition
Poles 3
Service Rated No
UL Listed Yes
Manual Override Yes
Time Delay Functions Transfer: 10s, Re-transfer: 15s, Cooldown: 60s
Exercise Cycle 7-day Interval, 12 min duration
Compatible Generators Generac QT & QTO Series (see below)
Product Dimensions (HxWxD) 66″ x 36″ x 21″
Weight 353.5 lbs
Warranty 5-Year Limited

Additional information

Weight 439 lbs
Dimensions 66 × 36 × 21 in
Amps

600A

Phase

Three-phase

Enclosure

NEMA 3R (Aluminum)

Service Entrance Rated

No

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