Light Fitting for Fluorescent Lamps EXLUX 6401 2x18W Explosion protection: Gas: Ex nA IIC T4 Gc Ex nA d IIC T4 Gc Dust: Ex tb IIIC T80 °C Db Ex tc IIIC T80 °C Dc Certificates Gas: PTB 14 ATEX 2016 Gas and Dust: PTB 14 ATEX 2017 Rated voltage: AC: 220 (- 10%) ... 240 (+ 10%) V, 50 / 60 Hz, DC: 198 ... 254 V/ 1-lamp: 176 ... 264 V Ambient temperature: -30 ... +50 °C Material: Enclosure: glass fibre reinforced polyester resin Cover: Polycarbonate Troughwiring: 5 conducters