There must be a minimum operating temperature of 0°C for these junction blocks to work. You should set the junction block's maximum operating temperature to 70°C. It is recommended that junction blocks be packaged in PQFP packages in order to ensure their safety.
8714120000 Features
Moisture Sensitivity Level: 1 (Unlimited) Min Operating Temperature: 0°C Max Operating Temperature: 70°C
8714120000 Applications
There are a lot of Weidmüller 8714120000 Junction Blocks applications.