Supply voltage: 24 VAC/DCOutput contacts: 3 NO + 1 NCSafety category: EN ISO 13849-1 PL e, SIL 3Protection class: IP20 (for panel installation)Mounting: DIN railOperating temperature: -20 °C … +55 °CWidth: Approx. 22.5 mmFunction: Safety relay for E-Stop and guard monitoring circuits