Busch-Jaeger Series relay insert 64821 U Manufacturer: Busch-Jaeger Designation: Series relay insert flex Type: 64821 U Assembly: Basic element Design: Relay and HVAC relay Load type: Universal and LED retrofit Extension input: yes Light value memory: yes Usable with button: yes Usable with motion detector: yes Usable with presence detector: yes Usable with timer: yes Usable with radio button: yes Usable with IR button: yes Mounting type: flush-mounted Material: plastic Material quality: other Surface protection: galvanised Finish: glossy Colour: black RAL number (similar): 9005 Transparent: yes Rated voltage: 230 V Frequency: 50 Hz Rated current: 5 A Switching capacity: 0..1150 W Switching capacity HVAC: 0..1150 W Number of channels: 2 Mounting type: Claw/screw mounting Min. depth of device box: 40 mm Compatible with Apple HomeKit: yes Compatible with Google Assistant: yes Compatible with Amazon Alexa: yes IFTTT support available: yes Busch-Jaeger series relay insert 64821 U: further details 3-wire connection technology (neutral conductor required). For switching lighting systems. For switching two independent load circuits. For controlling lighting and fan systems. Operation in alternating circuits possible via push-button extension unit. Operation also possible via conventional push-buttons (2020 US, 2021/6 UK). Without operating element. For operating element flex, 1-fold, wireless, 62711-WL. For operating element flex, 2-gang, wireless, 62721-WL. For Busch-Comfort switch® flex operating element 64765-... . For Busch-Watchdog® 180 flex sensors 6476x-... . . For Busch-Watchdog® 180 flex sensors, wireless, 6276x--WL. Can be combined with extension unit insert flex, 64891 U. Only in conjunction with commercially available flush-mounted device boxes according to DIN 49073, mount or Busch-Jaeger art. no. 3040 flush-mounted box masonry, 3050 flush-mounted box cavity wall or 3060 flush-mounted box concrete) , EAN: 4011395295373.