Protection Degree of Protection - IP67 / NEMA 6 IECEx Certification Ex nR IIC T5 Gc Ex tb IIIC T95°C Db ATEX Certification II 3 G Ex nR IIC T5 Gc II 2 D Ex tb IIIC T95°C Db UL Certification UL844 - Class I, Division 2 (Group A, B, C and D) / Class II, Division 2 (Group F and G) / Class III UL1598 TS Certification Ex nR IIC T5 Gc Ex tb IIIC T95°C Db Specification Volt.: 110V / 220V / 277V AC Watt.: 40W / 60W Amps: 0.14A~0.55A Frequency: 50Hz / 60Hz Power Factor: cos≧0.9 Ambient Temperature -20°C ~ +55°C, T5 CID2: -40°C ~ +55°C, T4 / CIID2: +55°C, T5 (UL Certification) Optical Information CCT : 3000K (Warm White) / 5000K (Cool White) CRI : Warm White≧80 / Cool White≧70 Lum/Watt. : ≧ 90 (Warm White) / ≧ 100 (Cool White) Beam Angle : X-116° / Y-114°