Time Clock Relay Dimensions W x H x D: 35.8 x 90 x 60 mm Operating temperature: -30...+55 °C Min. switching interval: 1 s Operating voltage: 24 VAC/DC Assembly type: DIN-Rail Output contact: 1 Change-Over (CO) Program duration: Week Protection rating (housing): IP20 Series: 12 Series Termination type: Screw Terminal Type: digital Memories: 30 Min. switching interval: 1 min