Versatile office luminaire. Stainless steel housing with white powder coating. Application:administrative facilities, lobbies.Recessed and surface-mounted. Compatible with the Armstrong Prelude 24 suspended ceiling systems. Input voltage (AC, 50Hz), V: 176...264 AC frequency, Hz: 50 Flicker, %: 1 Climatic modification and category of placement: УХЛ4 Height/depth, mm: 50 Length, mm: 595 Protection class: I Ingress protection (IP): IP40 Impact resistance: IK02 Width, mm: 180 Power factor: 0,95 https://www.varton.ru/products/ofisnoe-osveshchenie/a-seriya-2-0/a170-2-0-ip40-ofis-595-180-analog-2-18/svetodiodnyy-svetilnik-varton-a170-2-0-ofisnyy-vstraivaemyy-nakladnoy-16-vt-4000k-595-180-50-mm-ip40_4/