Bay Fitting Type No. : LLF 61…Series Description Ex d Gas Gr. IIA/IIB/IIC LED Bay Fitting (COB) Rating : 45W/60W/72W/90W/100W/120W/150W Type No. : ELF 61…Series Description Ex d Gas Gr. IIA/IIB/IIC LED Bay Fitting (SMD) Rating : 30W/45W/60W/72W/90W/ 100W/120W/150W/180W/200W Type No. : ELFC 61…Series Description Ex d Gas Gr. IIA/IIB/IIC LED Bay Fitting (SMD) Rating : 180W/200W Type No. : ELFS 61…Series Description Ex d Gas Gr. IIA/IIB/IIC LED Bay Fitting (SMD) Rating : 250W/300W