GENERAC RTSW200K3 RTSW200K3 - ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$3,981.41
GENERAC RTSW200K3 RTSW200K3 - 200 Amp Service Rated 277/480 3Ø NEMA 3R

GENERAC RTSW200K3 RTSW200K3 - 200 Amp Service Rated 277/480 3Ø NEMA 3R

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Model: RTSW200K3
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$3,981.41
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RTSW200K3 - 200 Amp Service Rated 277/480 3Ø NEMA 3R

  • Certifications and Standards

    • UL Listed

  • Features

    • The Heavy Duty Generac Contactor is UL recognized device, designed for years of service
    • Service rated (RTSW) Generac Automatic Transfer Switches are housed in an aluminum NEMA/UL Type 3R enclosure with electrostatically applied powder coating
    • The controller at the generator handles all the timing, sensing, exercising functions, and transfer commands
    • Five year limited warranty
    • 200 Amp Service Rated 277/480 3Ø


RTSW200K3 - spec sheet

Manufacturer Resources

Product Specs

Amperage:
200 A
Assembled Depth:
10.06 in
Assembled Height:
48 in
Assembled Weight:
55 lbs
Assembled Width:
21.82 in
Color Finish:
grey
Country Of Origin:
United States
Installation Hardware Included:
Yes
Installation Instructions Included:
Yes
Manufacturer Warranty:
5 year limited
Maximum Generator Input:
22000 W
Overall Depth:
10.06 in
Overall Height:
48 in
Overall Width:
21.82 in
Restrictions:
No
Department:
Electrical
Product Group:
Power Distribution
Product Subgroup:
Transfer Switch
Product Voltage:
480 V
Product Material:
Aluminum
Product Weight:
55 lbs

Generac RTSW200K3 – Frequently Asked Questions

1) Can the Generac RTSW200K3 transfer switch be used on a 277/480V three-phase service?
That is exactly what the RTSW200K3 is built for: 200 amps, 277/480V three phase, rated at 480V. It will not serve a 120/240V single-phase house panel. For single-phase residential work you need a single-phase Generac RTS switch instead.
2) What does "service rated" mean on the Generac RTSW200K3, and can it be installed as service entrance equipment?
Service rated means the switch can be mounted ahead of the panel as service entrance equipment, so the utility feed lands in the switch itself rather than requiring a separate service disconnect. That is the RTSW designation on this 200 amp unit. A non-service-rated switch has to be fed from a breaker downstream of the service disconnect.
3) Can the Generac RTSW200K3 be mounted outdoors?
Yes. The enclosure is aluminum, NEMA/UL Type 3R with electrostatically applied powder coat in grey, so it is rain-rated for exterior wall mounting. Aluminum also helps where salt or humidity would attack a painted steel box.
4) Does the Generac RTSW200K3 have its own controller, or does the generator run the transfer?
The generator runs it. All timing, utility sensing, exercise scheduling and transfer commands come from the controller at the generator, and the switch carries the heavy duty UL recognized contactor that does the switching. So there is no separate control panel to program at the switch, but you do need a compatible Generac generator with that controller to complete the system.
5) How much wall space do I need for the Generac RTSW200K3 enclosure?
Plan for a footprint of 48 in high, 21.82 in wide and 10.06 in deep, at 55 lbs. That is a tall, narrow cabinet, so check headroom above the service point and the working clearance in front before you lay out conduit. At 55 lbs one person can set it, but the mounting surface needs to carry it plus the service conductors.
6) What size generator does the Generac RTSW200K3 work with?
Maximum generator input is 22,000 W. Size the standby set at or below that figure on a 277/480V three-phase system; a larger generator needs a switch with a higher input rating.
7) Is the Generac RTSW200K3 UL Listed?
Yes, the switch is UL Listed, and the enclosure is a NEMA/UL Type 3R aluminum cabinet. The internal heavy duty contactor is a UL recognized device.
8) Does the Generac RTSW200K3 come with mounting hardware and instructions?
Both are in the box: installation hardware and installation instructions ship with the unit. You still supply conduit, fittings and the service and load conductors sized for 200 amps.
How fast can I get the Generac RTSW200K3 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Generac RTSW200K3 come with a warranty?
Absolutely. The Generac RTSW200K3 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Generac RTSW200K3?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Generac RTSW200K3 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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