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Theatrelight Moodset Dimmer Modules

The Theatrelight Moodset brings the power of microprocessor technology to architectural lighting control. Theatrelight have designed the Moodset dimmer system to provide the flexibility and ease of control necessary to enable the mood and atmosphere of any living space to be tailored to the needs of its occupants. The Moodset dimmers are operated by building management computers or by push button control panels that can be installed in any convenient location away from the dimmers. The control panels provide buttons for off, three preset levels, and manual level increase and decrease. Any number of control panels can be connected to one or more Moodset dimmers. The Theatrelight Moodset dimmers are ideal for auditorium lighting control in theatres, churches, school halls, etc.


  • Three presetable levels
  • Fade time from 5 sec to 10 min between levels
  • External level control for first preset
  • External fade time for first preset
  • Control of incandescent or fluorescent loads
  • Security mode imitates occupied premises
  • Alarm mode sets lights to full in emergency
  • Soft capability start for extended lamp life
  • Modular construction for ease of installation
  • Available in 8 and 20 Amp modules

Technical Specifications

Channels 1 channel
Dimming Accuracy 1024 steps between Off and Full
Maximum Losses 2% of load
Filtering Toroidal iron powder choke, 120uS rise-time
Security Timing Random turn-on at least 5 minutes once every half hour
Timing Repeatability Better than 1% for all fade timing
Analogue Input 0 - 5 Volts DC control signal, 50K Ohm input impedance
Button Inputs Short to earth operation, 2 mA max pull-up to 5 Volt supply
LED Indicator Outputs Pull down to earth, current limited to 10 mA.
Computer Coms 33 Baud NRZ, 8 bits, 1 stop, no parity, open collector TTL
Control Connectors Moving cage terminals
Control Wiring All control inputs and outputs may be wired with ELV cable
Control Fuse Internal circuitry protected with 5 Amp HRC fuse (20x5mm)
Mains Isolation 3500 Volts peak isolation between control circuitry and mains
Output Load 8 and 20 Amp models (derate by 45% for fluorescent loads)
Output Minimum Load 15 Watts for 10 Amp models, 40 Watts for 20 Amp model
Load DC Component Less than 1 Volt
Output Protection n/a
Output Terminations Moving cage terminals
Power Supply Required 220 - 240V, 50Hz or 110V, 60Hz depending on model
Power Consumption Less than 4 Watts at no load
Power Terminations Moving cage terminals
Cooling n/a
Ambient Temperature 0 to 50 degrees Celsius
Ambient Humidity 95% maximum, non-condensing
Construction Zinc coated steel, powder coated epoxy paint
Front Panel Screen printed durable epoxy ink
Mounting Mounting Centres 60mm (8Amp), 80mm (20Amp). Modules should be mounted vertically in a well ventilated cabinet.
Accessories Supplied with operators manual and power pack


  8 Amps 20 Amps
Height: 225 mm 225mm
Depth: 100 mm 100mm
Width: 60 mm 80mm
Weight: 1.25kg 1.75kg
Theatrelight Moodset Dimmer Module Dimensions

Ordering Information

Description Order Code
Theatrelight Moodset 8 Amp Dimmer Module THE-TLMD-8
Theatrelight Moodset 20 Amp Dimmer Module THE-TLMD-20
Theatrelight Moodset 6 Button Flush Plate THE-TLFP6W-B
The information presented on this page is provided by courtesy of Theatrelight Ltd.
Revised: 04-Dec-2010 Copyright (C) 2010 Adena Limited