Safety gate system, safe interlock and safe guard locking device For; applications up to SIL CL 3 and PL e. Coding: fully coded. 5; pushbuttons: 1. Illuminated pushbutton for activating the safety gate;; 2. Push switch for accessing & interlocking the safety gate; 3. Key; switch 4. Illuminated pushbutton; 5. E-STOP pushbutton Delivery scope: Sensing device with pushbuttons incl. colour caps and Escape release; bar and actuator for right or left hinged gates.