Antenna DCF 77, Busch installation bus KNX, control, logic and time, antenna DCF 77 for 4-channel annual timer 6144/40 Surface-mounted device for KNX 4-channel annual timer 6144/40. LED reception display. A 2-wire shielded cable (max. 200 m) can be used for the connection. Up to 10 timers can be connected in parallel to this antenna. Time and date are automatically read into the timer. Summer time changeover via the DCF telegram. Easy installation, housing can be rotated in the mounting bracket. For wall mounting. Display elements: operating LED Protection class of device: IP 54 Temperature range of device: -20 °C to 50 °C Dimensions (H x W x D): 75 mm x 89.5 mm x 40 mm
