Leviton IED18-120 i Series e, Single Dimmer Module, 120-Volt, 2.4 Kilowatt, 800uS

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Leviton IED18-120 i Series e, Single Dimmer Module, 120-Volt, 2.4 Kilowatt, 800uS


  • The dimmer module is designed for superior reliability in the most demanding of operating conditions
  • Each dimmer module also monitors its temperature and reports this information to the control module
  • Each dimmer module has a dedicated optically isolated control signal line from the control module
  • Failure of one module cannot affect the operation of any other dimmer module


  • All dimmers are housed in removable modules made of die-cast aluminum. Each module contains one or two circuit breakers, a solid-state SCR switching device (SSR), an interface PCB, and two filter chokes. The face of the module has a handle, the circuit breaker switches, air vents, and labeled LEDs for local feedback. The left side of the module has a wide section of spring steel to insure a proper fit for each module in the rack. All electrical contacts feature selfaligning floating connectors to insure precise alignment of all connections. Modules are keyed so that a module of higher ampacity cannot be inserted into a slot that is wired for a lower ampacity dimmer. All dimmer modules can be inserted and removed without the use of any tools.


  • The i Series® e dimmer module is designed to operate on voltages ranging from 90-135VAC (120V Nominal) or 187-265VAC (230V nominal) at 47-63 Hz. The dimmer module electronics’ firing signal is optically isolated to 4,000 Volts from the power semiconductors.
  • The module can also maintain proper output voltage regulation within +/- 1 Volt over the line voltage range
  • When a dimmer is set as a non-dim, it passes an unregulated sine wave
  • Each dimmer tracks operating conditions and provides feedback to the Hand Held Terminal, which transmits the information to the user interfaces and/ or the LEDs on the face of the dimmer module. Realtime feedback information includes the following data: Overtemperature Warning, Overtemperature Shutdown.
  • Modules are available in standard (500µs) rise time. Oscillographic evidence of rise time data is available upon request
  • Airflow modules are required in unused slots in order to maintain proper rack ventilation
  • 120V units are UL listed and cUL listed (for Canadian applications)


  • Power regulation gives smooth consistent power output despite fluctuations in line power input
  • LEDs on each module offer immediate local feedback at the rack
  • Individual module overtemp warning and shutdown feature
  • Control signal is optically isolated to 2,000 Volts
  • Standard 500 microsecond and high performance 800 microsecond rise time models available
  • Rugged mechanical design for reliability
  • “Floating” load and line connectors allow for smooth insertion and removal of the module and ensures the integrity of all power and control contacts
  • User serviceable components
  • 120V Units UL Listed and cUL Listed


  • Width: 12.5 [31.8]
  • Depth: 6.5 [16.5]
  • Height: 1.5 [3.8]


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