Siemens 3SK1121-2CB44 (3SK11212CB44), Sirius Safety Relay Basic Unit Advanced Series With Time Delay 5-300S Relay Enabling Circuits 2 Instantaneous No Contacts 2 Delayed No Contacts Us = 24 V Dc Spring-Loaded Terminal
Safety Relay Dimensions W x H x D: 22.5 x 100 x 121.6 mm Operating temperature: -25...60 °C Resetting time: 5...300 s Design: Expansion unit Assembly type: Top Hat Rail Mounting Protection rating (housing): IP20 Service life, electric: 0.25 Mil. cycles Service life, mechanical: 10 Mil. cycles Termination type: Spring Clamp Terminals Response time: 0.11 ms