Input voltage (AC, 50Hz), V: 176...264 AC frequency, Hz: 50 Flicker, %: 2 Climatic modification and category of placement: УХЛ4 Height/depth, mm: 50 Length, mm: 1 495 Protection class: I Ingress protection (IP): IP40 Impact resistance: IK03 Width, mm: 100 Power factor: 0,95 https://www.varton.ru/products/ofisnoe-osveshchenie/a-seriya-2-0/a420-2-0-ip40-ofis-1495-100/svetodiodnyy-svetilnik-varton-a420-2-0-ofisnyy-60-vt-vstraivaemyy-nakladnoy-4000-k-1495kh100kh50-mm-/