PSENcode Compact Non-Contact Safety Switch, Coded The PSEN cs3.1 and PSEN cs3.1p safety switches are coded and only switch with an actuator from the PSEN cs3.1 series. There is no restriction on the number of times the actuator can be used and reset. Features and Benefits Transponder technology for presence detection (safety function) Coded switch Dual-channel operation 2 safety inputs for series connection of multiple safety switches 2 safety outputs 1 signal output LED display for state of the actuator, state of the inputs and supply voltage/fault 1 direction of actuation IP69K protection Stock no. 918-6655 has an M12 8 pole male connector Stock no. 918-6664 has an M8 8 pole male connector Caution The safety level PLe (Cat. 4)/SIL CL 3 is only achieved if the safety outputs use 2-channel processing. Standards EN 60947-5-3 with the actuator PSEN cs3.1 PDDB; EN 62061 SIL CL 3; EN ISO 13849-1 PLe Cat. 4; EN ISO 14119 coding level Low, Type4. Approvals CE, cULus Listed, TÜV, BG, CCC. Supplied with Actuator.