... IIA,IIB,IIC Temperature classes T1~T6 High brightness module LED light sources Designed for petroleum, storage, chemistry, medicine, military ... low power consumption, protections of open circuit, short circuit, over heat etc. to ensure LED reliable work Optimized photometric design, ... ExdIICT6/DIPA20TA, T6 Rated voltage: AC 100~270V Light sources: LED Lighting efficiency: 90lm/W Rated power:20W,30W,40W ...