Logic Controller Dimensions W x H x D: 71.2 x 90 x 58 mm Inputs: 8 Digital Inputs, abbreviated: 8 DI Operating temperature: -20...+70 °C Outputs: 4 Relay Outputs, abbreviated: 4 RO Certification: CE, UL, cUL, CSA Data buffer: 10 years Display: yes Expandability: compact Module: CD12 SMART 230 VAC Operating voltage: 230 VAC Real-time clock: yes Series: Millenium 3 Switching capacity: 4 x 8 A Mounting: DIN Rail 35mm Protection rating: IP40 (Front)/IP20 (Terminal Strip) No. of digital inputs: 8 No. of relay outputs: 4