Series: UE-DIM switch Changeover switch for luminaires / ballasts with luminous flux control via DALI. Suitable for luminaires with LED or discharge lamp and electronic converter. Version for selective switching of emergency lighting luminaires together with the general lighting and priority switching for the emergency network. With switching contact for interrupting an external control line in emergency mode. Type of protection: IP 20 Protection class: II Length: 175 mm Width: 42 mm Height: 33 mm Type of Installation: Recessed mounting Power rating: AC 230 V 50/60 Hz (+6/-8%), DC 216 V Switching point: U > 180 V AC / 160 V DC - input 2 (emergency mains), Switching from mains operation to emergency operation Switching point 2: U < 140 V AC / 150 V DC - input 2 (emergency mains), Switching back from emergency operation to mains operation Switch entrance: 250 VA Interface RS485: 100 ms