Lamp Life 50,000 Hours Light Source/Lamp Style High-brightness LED Emitter Operating Temperature Range -67ºF to 158ºF (-55ºC to 70ºC) Certification Marking II 2GD Ex d IIC Gb,Ex tb IIIC Db IP66. T6 @ 58ºC; T5 @ 70ºC II 2GD Ex d IIC Gb,Ex tb IIIC Db IP66. T6 @ 58ºC; T5 @ 70ºC ATEx: Baseefa15ATEX0153X IECEx: IECEx BAS 15.0102X UL and cUL Certification Marking Class 1, Division II, Groups A, B, C, D T4 @ 70°C Class 2, Division II, Groups F, G T6 @ 70°C Class III T6 @ 70°C UL and cUL E207119 Guard & External Fasteners 316 stainless steel Terminals Ex d: 6 way block (3 in, 3 out) Ex de: 2x3 position quad pole terminal block Cable Entries Ex d: 2 entries - M20 x 1.5 Ex de: 3 entries - M20 x 1.5 Net Weight Ex d Surface Mount 6.17 lb Ex d U-Bracket Mount 8.15 lb Ex de Surface Mount8.99 lb