Integrated CES-AR electronics do not require special evaluation units as many as 20 AR devices in series comply with EN ISO 13849-1 Safety Category 4 and PL e compatible installation with existing safety switches Safety switch CTP combines the operating principles of mature electromechanical safety switches, guard locks and modern transponder coded safety technology. Thanks to the transponder technology, even a single CTPS can meet the 4 / PL e class of EN ISO 13849-1 without additional troubleshooting, and meet all the requirements of EN ISO 14119. It is ideal for high-performance applications. Level and maximum 3900 N locking force required.