Weidmuller WDU Series Brown DIN Rail Terminal Block, 4mm², Single-Level, Screw Termination

Spring Loaded Extra security version of the W series terminals with a spring under the cable clamp
Provides a secure contact even if the terminal is not correctly tightened
For use with a hook blade crimp
For use on either a TS32 or TS35 rail
Flammability rating UL94V-0
Voltage rating 500 V