Honeywell R8285D5001 Fan Center Transformer Relay DPST with Transformer

Original price was: $87.96.Current price is: $69.73.

12 in stock

SKU: 84283 Category:


The Honeywell R8285D5001 is a versatile and popular fan center transformer relay with DPST switching action. It’s commonly used in heating, cooling, and air conditioning systems to control various fan motors and auxiliary circuits. Here’s a breakdown of its key features and benefits:


  • 50 VA transformer: Provides sufficient power to operate most fan motors and auxiliary devices.
  • DPST (Double-Pole, Single-Throw) switching relay: Offers two independently controlled circuits for versatile control of different fan motors or other equipment.
  • Line voltage and low voltage circuits: Handles both line voltage (120V) and low voltage (24V) for compatibility with various systems.
  • Convenient connections: Features easily accessible terminals for connecting the thermostat, fan motors, and other components.
  • Overload protection: Protects the transformer from damage caused by overloads.
  • Compact size: Mounts easily on a standard 4×4 junction box, making it suitable for tight spaces.
  • Durable construction: Built with high-quality materials for long-lasting performance.


  • Controls various fans and auxiliary circuits: Simplifies system wiring and provides centralized control for various fan motors, dampers, and other devices.
  • Improves system efficiency: Allows for controlled operation of fans and other equipment based on system demand, reducing energy consumption.
  • Enhances system functionality: Enables features like multi-speed fan control or zone control for improved comfort and efficiency.
  • Easy installation and maintenance: Convenient connections and compact size make installation and maintenance straightforward.
  • Reliable performance: Durable construction and overload protection ensure long-lasting operation and safety.

Things to consider:

  • Compatibility: Ensure the R8285D5001 matches your system’s voltage requirements (120V) and is compatible with the specific fan motors and auxiliary devices you want to control.
  • Wiring diagram: Consult the installation manual for the proper wiring diagram to ensure safe and correct connections.
  • Professional assistance: If you’re unfamiliar with electrical work, consider seeking help from a qualified electrician for installation or troubleshooting.

Overall, the Honeywell R8285D5001 Fan Center Transformer Relay DPST is a reliable and versatile solution for controlling fan motors and auxiliary circuits in various HVAC systems. Its combination of functionality, ease of use, and durability makes it a popular choice for both professional and DIY applications.

Additional information

Weight 3.00 lbs


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