Safety Relay, Contacts 2NO and 1NC, Supply 24Vdc / ac, Simultaneous Monitoring time <0.5s, Switching Voltage Maximum Output 250Vac / dc Maximum Current 6A Operating temperature -20 ° C ... 55 ° C used with two-hand button, Mechanical Life approximately 10 (7) cycles, Category 4 / EN 954-1 Type PSR-SCP- 24UC / THC4 / 2X1 / 1X2, Phoenix Contact.