TCI Universal Dimmer LT 2 UN for Dimmable LED or Halogen Lamps

The TCI Universal Dimmer LT 2 UN is a recessed universal dimmer designed to regulate dimmable LED lamps and halogen lamps, compatible with leading lighting brands on the market. Built in polycarbonate with protection rating IP20, it is installed in recessed junction boxes and operates at an input voltage of 220-240 V.

Thanks to Trailing Edge (IGBT) technology, the TCI LT 2 UN delivers smooth and silent dimming, free from acoustic hum, with Soft Start and Soft Stop functions and light intensity memory. It is the ideal solution for residential and professional installations requiring precise light control.

Main technical features

The device handles dimmable LED lamps from 4W to 100W (up to 10 bulbs certified by TCI) and halogen lamps from 4W to 250W. Dimming is controlled via separate normally open push buttons, without built-in indicator light, compatible with any switch series. Up to 5 units can be connected in Master/Slave configuration to manage higher loads, selected via DIP 1. The minimum operating level can be set to 10% or 20% via DIP 2. Dissipated power is 2W/A and connection is via terminal block.

Safety and protection

The TCI LT 2 UN features self-resetting electronic protection against overload and short circuit, ensuring long-term reliability and uninterrupted operation even under critical conditions.

Applications

Suitable for residential, contract and retail installations using dimmable LED lamps, halogen lamps or electronic transformers with LED Driver DIM. Please refer to the attached PDF for full technical documentation and installation instructions.