LightLEEDer Dry Contact Output Board LightLEEDer Dry Contact Output Board

LightSync Dry Contact Output


The LightSync Dry Contact Output provides 4 isolated dry contact digital outputs. This board can interface any system that can recognize a momentary or maintained dry contact closure.  Common applications for this device are interfacing building automation systems, security systems, and triggering dimming presets in other systems. Each board is provided with push-to-connect connectors for easy termination and is provided in panel or remote mounting styles.


LightSync Dry Contact Output



  • 2.75” Wide X 3.50” High
  • Remote mounted 4-11/16" junction box
  • Push-to-connect output connectors
  • Accepts up to 2 - #18 AWG wires per connection
  • Digital addressing switches
  • RJ45 connectors for CAT-5 data connection


  • Electronics powered from the panel Local port
  • 1.6 amps @30VDC load capacity

Operating Environment:

  • Location: Interior space
  • Operating Temp.: 0° to 50° C
  • Humidity: 10% - 90% Non-condensing
  • Atmosphere: Non-explosive/corrosive
  • Vibration: Stationary

Certifications and Approvals:

  • UL
  • CUL
  • FCC Part 15

Technical Bulletins

LightLEEDer Dry Contact Output Board (DCO) Mapping (TB1017)

  • Made in the USA
  • Digital CAT-5 Ready
  • 4 independent dry contact outputs are provided per module
  • Used as an expansion of relays from the local port
  • Standard maintained closure operation or optional momentary 1-secound closure
  • Outputs have normally open and normally closed contacts
  • Isolation between each output
  • Optically isolated to protect electronics
  • Capable of controlling up to 1.6 Amps @ 30VDC for each output
  • Digital Address switches for setting the 4-relay output set
  • Remote mounting ability on the Local LightSync network
  • Push-to-Connect terminations for easy installation

Remote Mounting Options:

  • Remote mount anywhere on the Local LightSync network
  • Powered from the network
  • RJ45 connectors provided for easy connection
  • Mounting plate available for easy installation