The 1FS6 motors are permanent-magnet synchronous motors for use in Zone 1 hazardous areas. They are designed in compliance with the EEx de II C T3 degree of protection and certified according to the ATEX guidelines 94/9/EG and also have CSA Approval for Class 1, Zone 1, Temperature Class T3 (CAN / CSA 79-1-95 "Flameproof Enclosure")