Skip to content

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promotion will be automatically applied on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 10/01/26.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.

Product Summary

Generac Automatic Transfer Switches are designed for use with single phase generators that utilize Evolution or Nexus Controllers. The 100, 200 and 400 amp open transition switches are available in single phase in both service equipment rated and non-service equipment rated configurations. The 150 and 300 amp open transition switches are only available in a service rated equipment configuration.

What's Included

    (1) Automatic transfer switch, Model# RTSR400A3

Features + Benefits

  • Generac Automatic Transfer Switches are housed in an aluminum NEMA/UL Type 3R enclosure, with electrostatically applied and baked powder paint
  • The Heavy Duty Generac Contactor is a CUL recognized device, designed for years of service
  • Digital Power Technology (DPM) allows these switches to have the capability to manage up to 4 individual HVAC (24 VAC controlled) loads with no additional hardware
  • When used in tandem with Smart Management Modules, up to 8 loads can be managed as well, providing the most installation efficient power management options available
  • Designed for use with single-phase generators 60-kw and below
  • Single-phase, 120/240-volt; CUL listed
  • 5 year limited warranty
  • Non service enterance rated

Key Specs

AttributeSpecification

item#

37852

Brand

Generac

Manufacturer's Warranty

5 year limited warranty

Ship Weight

150.0 LB
AttributeSpecification

Amps

400

Volts

120/240

Phase

Single-phase

UL Listed

Yes

Warranty

Manufacturer's Warranty

5 year limited warranty