Type 4 safety light curtain receiver – 14 mm finger protection, 600 mm height, PROFIsafe
The Siemens 3SF7844-8BB08-0SS1 is a Type 4 safety light curtain receiver from the SIMATIC FS420I series, with 14 mm resolution and a 600 mm protected height. The 14 mm detection capability means it catches fingers reaching into the hazard zone (finger-protection class per IEC 61496-1). It supports blanking and communicates via PROFIsafe bus connection over a 0 to 6 m range.