Luminaire for lighting pre-school, school, secondary, tertiary and other Educational facilities facilities. Meets all educational lighting requirements and standards. Stainless steel housing with white powder coating. 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 Color rendering index: 90-100 Protection class: I Mounting method: Surface mounting/recessed mounting Ingress protection (IP): IP40 Radiation angle: 120 Impact resistance: IK02 Power factor: 0,95 https://www.varton.ru/products/svetilniki-dlya-obrazovatelnykh-uchrezhdeniy/e-seriya-2-0-dlya-klassov/e170-2-0-ip40-shkola-595kh180-mm-analog-2-18/svetodiodnyy-svetilnik-varton-e170-2-0-dlya-obrazovatelnykh-uchrezhdeniy-16-vt-cri90-vstraivaemyy-na_1/