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Honeywell Generators

Model #

RTSM400A3

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Honeywell 400 Amp Service Rated NEMA 3R Sync Smart Transfer Switch | RTSM400A3

  • Honeywell 400 Amp Automatic Transfer Switch
  • NEMA 3R Rated for Indoor/Outdoor Installation
  • Service Entrance Rated Open Transition Switch
  • Heavy Duty ETL Listed Honeywell Contactor
  • Steel Enclosure with Powder Coat Paint
  • Generator Controller Handles Timing, Sensing, Exercise
  • Integrated Load Management Handles 4 HVAC Loads
  • 8 Additional Managed Loads w Smart Management Modules
  • Honeywell 5-Year Limited Warranty

Honeywell Generators RTSM400A3 Details and Specifications

Honeywell 400 Amp Transfer Switch

240-Volt 400A     Service Rated Switch     NEMA 3R Indoor/Outdoor     Whole House Coverage     Load Management

Designed Specifically for Use with Honeywell 240-Volt Single-Phase Generators.

The 400A Transfer Switch is for Use with a 400-Amp Main Circuit Breaker Panel or Load Center.

The Honeywell 400 Amp Transfer Switch is a single-phase, 240 Volt Switch rated for Service Entrance use. The NEMA 3R Steel enclosure is suitable for installation indoors or outdoors. It comes equipped to handle up to 4 air conditioner loads without additional hardware, and can manage an additional 8 high demand loads with the addition of Load Management Modules*. Equipped with a Heavy duty, ETL listed contactor for years of safe and reliable operation.

*Load Management Modules sold separately

Honeywell 5-Year Limited Warranty

400 Amp Automatic Transfer Switch Features

Honeywell's 400 Amp Automatic Transfer Switch controls the source of power to your home's main circuit breaker panel. When a power outage occurs, it disconnects the utility lines from the service panel before it connects power from the generator. When the utility restores service, it automatically disconnects the generator first, then reconnects the utility lines. After a cool-down cycle, the generator shuts down.

  • Fully Automatic Operation Restores Power Any Time Utility Power Fails
  • Designed for use with a 400-Amp Main Panel
  • NEMA 3R Enclosure for Indoor/Outdoor Installation
  • Corrosion Resistant Enclosure & Components
  • Color-Coded Generator Connection Points Ease Installation
  • Knockout Free Enclosure for Flexibility
  • ETL Listed cETLus

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Honeywell Generators

Model #

RTSM400A3

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