Time Clock Relay Dimensions W x H x D: 35 x 45 x 60 mm Operating temperature: -25...+55 °C Operating voltage: 110...230 VAC Assembly type: DIN-Rail Output contact: 1 Change-Over (CO) / 1 Make Contact (NO) Program duration: Week Protection rating (housing): IP20 Termination type: Screw Terminal Type: digital Memories: 70 Min. switching interval: 1 min