Universal e-contact insert, presence detector, Busch-Watchdog presence inserts, universal e-contact insert 2-wire connection technology (neutral conductor not required). For switching lighting systems. For Busch comfort switch control element 6815-...-101. For Busch presence detector sensors 6813-.-102. Can be combined with universal slave insert 6440/05 U. Operation in two-way circuits possible via button extension. Operation also possible via conventional buttons (2020 US, 2021/6 UK). Nominal voltage: , +10 % / -10 % Nominal frequency: 50 Hz/60 Hz Outputs: 1x normally open contact, non-potential bound Load type: 230 V~ LEDi Nominal output: 2 - 80 W/VA Load type: 230 V incandescent lamps/230 V halogen lamps Nominal output: 20 - 180 W Load type: Low-voltage halogen lamps that are operated via transformers. Nominal output: 20 - 180 VA Temperature range device: -5 °C to 45 °C Dimensions (H x W x D): 71 mm x 71 mm x 32 mm Installation depth: 31 mm 60669-2-1