Phase dimmer with DALI input to control dimmable 230V luminaires in a DALI system. The 4 channel phase dimmer is suitable for 4x10W loads. Each channel has its own DALI address. Leading edge or trailing edge can be set with the software tool DALI Cockpit. The DALI-2 4Ch PD also supports the operating mode as a DALI controlled electronic switch. The DIN rail housing is suitable for installation in control cabinets.