FLEX Insert Relay 2K (64821 U-500)

ABB 64821 U-500 — 3 wire connection (neutral conductor required).For switching lighting systems. For switching two independent load circuits. For controlling light and ventilation systems. Operation in 1gang 2way installations via push button input. Operation also possible via conventional push buttons (2020 US-500). Without control unit. For control element flex, 1gang, 64711-500. For control element flex, 1gang, wireless, 62711-WL-500. For control element flex, 2gang, 64721-500. For control element flex, 2gang, wireless, 62721-WL-500. For ABB Comfort switch flex control element 64765-…-500.For ABB Watchdog 180 flex sensors 6476x-…-500.For ABB Watchdog 180 flex sensors, wireless, 6276x-.-WL-500. For ABB presence detector flex sensors 6475x-…-500.Combinable with extension insert, 64891 U-500.