UL listed, CSA certified and CE marked, as well as being EN ISO 13849-1
Performance level e (PLe), safety category 4, and EN 62061 Safety
Integrity Level 3 (SIL3) compliant. Internal safety relays or other
operations can be monitored with LED indicator and various auxiliary
outputs. Optional removable terminals make the safety relays easy to
wire, decreasing downtime and the chance of wiring errors when replacing
the unit; simply unplug the terminal and plug it into a new relay.