ABB Jokab Safety 2TLA010026R0400Product Attribute Attribute Value Series RT Series UPC Code 88861409360 Overview RT6 Safety Relay Series The RT6 from ABB is a universal relay to monitor both external and internal safety aspects of your machinery. The RT6 safety relay has a very versatile input configuration, therefore many safety relays can be replaced by the RT6. This safety relay from ABB also includes other options such as a manual or automatic reset and information outputs.