PSSR-2 safety controller is for use with two conductor wire, pressure-sensitive safety products that incorporate an integral 6.8 kΩ end-of-line resistor. It meets requirements of EN13849-1:2006 and is Category 3 SIL 2 PLd level. It has a manual or auto reset function and operates from 24 Vdc. With a response time of 13 ms, it is a safety relay with force guided relays and two normally open (safety) and one normally closed (monitor) contacts.