Phase control 40-600W - Extension operation (switch and dimmer) with several conventional buttons (cable length max. 50 meters). - Memory function, ie the last set light value is activated when switched on again. - When the voltage returns (power failure), the last set light value is activated. Phase control 40-600W for incandescent and HV halogen lamps, 40 - 600 VA for LV halogen lamps with conventional (iron core) transformer. Load type: R, L. - 2-wire connection (without neutral conductor). For use with cover order no. 77xx 86