Separating safety devices can be easily protected up to cat. 4 PL e using these contactless safety switches, even during series connection. Response and risk times remain unchanged at all times. Extensive diagnosis functions boost system availability and make installation and maintenance easier. The locking version can be used as a stop and does not secure any small doors or flaps. Performance Level (EN ISO 13849-1): Cat. 4 PL e; Coding: Individual, teachable; Connection: M12 × 1, 8-pin; Temperature Range: -25...70 °C