Accessories. Permanent Magnet. Ident. no.: 6900215. Attainable switching distance 90 mm with magnetic field sensors (BIM) in models (E)M12E, M18 and G12SK. Attainable switching distance 78 mm with magnetic field sensors (BIM) in models EH6.5, EG08 and M12-S1209. Remanence (Br) 380400 mT (38004000 Gauss). Material: Strontium ferrite (SrFe)