Phoenix Contact UMK-16 RELS/KSR-G24/21/PLC Series SPDT Interface Relay Module, 50-Pin Male IDC, Screw Terminal, Length: 259mm, Height: 77mm, Dimensions: 259 x 59 x 77mm, Maximum Operating Temperature: +50°C, Minimum Operating Temperature: -20°C, Operating Temperature Range: -20 → +50°C, MPN: 2974901