Three rocker push buttons and actuator for MASTER dimmer 230 V~ 50 Hz for: 40-300 W incandescent lamps, 40-200 VA electronic transfomers, 10-120 W CFL lamps, 3-120 W LED lamps and LED electronic transfomers, protection fuse, to complete with interchangeable 1- or 2-module buttons – 3 modules