4-gang dimming actuator, 6TE REG, 250W, 230VAC with active power measurement technology. Optimised for dimmable LED lamps (from 2W). Suitable for HV halogen lamps and LV halogen lamps with transformer/EVG. Operation in leading edge phase control or trailing edge phase control adjustable. Measurement of the current active power. Integrated diagnostic function with plain text message. Overload/short-circuit protection and temperature protection with alarm message. Time functions (switch-on/switch-off delay, staircase lighting function). Automatic time-dependent dimming. Soft start, global and individual dimming speeds. Day/night function. Button for manual operation and LED display for each channel. Parallel operation of two channels with 500W total output. Nominal power: 4 x 250 W, with 3 channels: 1 x 500 W and 2 x 250 W, with 2 channels: 2 x 500 W. Individual L/N connections for each channel (different phases possible L1, L2, L3).