As you can see, these junction blocks have pins 3. These junction blocks must be operated at temperatures above -30°C to work properly. It's okay to set the junction blocks' maximum operating temperature to 80°C. As a safety precaution, the junction blocks are packaged in Metal packages.
1516043 Features
Moisture Sensitivity Level: 1 (Unlimited) PLUSCON Series Contact Plating: Gold Min Operating Temperature: -30°C Max Operating Temperature: 80°C Ratings: IP65 Cable Length: 10m
1516043 Applications
There are a lot of Phoenix Contact 1516043 Junction Blocks applications.