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Line Voltage / 3-Wire Dimming Module

File Description Download
Component Data Sheet PDF
Wiring Diagram PDF

Model Number:  DIM1-2W/3W-120/277


  • Line Voltage/3-Wire Dimming Modules (DIM-2W/3W-120/277) are software configurable for either forward or reverse phase control. This provides the ultimate in flexibility for specification and installation.
  • These dimmers utilize a relay ahead of the dimmer for complete disconnection from the source voltage when the dimmer is off.
  • Dimming Modules are completely compatible with 3-wire fluorescent dimming ballasts (Hot, Dimmed Hot and Neutral).
  • Dimming Modules allow for a fine granular control down to 1% (or as limited by the dimming ballast specifications when utilized in a 3-wire dimming application).
  • Dimming Modules are compatible with and auto-sensing for line voltages of either 120 VAC or 277 VAC.
  • Dimming Modules communicate with the Building Management Server to report:
  • The dimmer’s current dimming level (0-100% on)
  • The line source state (available or off)
  • The line frequency (in Hz)
  • The communication status (active / not available)
  • The module’s “health.” (if the module is defective)
  • Dimming Modules are interchangeable with all other RD style relay and dimming modules, providing a higher level of flexibility than currently available in the market.
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