These junction blocks must be operated at temperatures above 0°C to work properly. It's okay to set the junction blocks' maximum operating temperature to 60°C. Junction blocks should operate at 24V when they are connected.
1906690000 Features
Moisture Sensitivity Level: 1 (Unlimited) Min Operating Temperature: 0°C Max Operating Temperature: 60°C
1906690000 Applications
There are a lot of Weidmüller 1906690000 Junction Blocks applications.