Wieland WK4 D2 2SLU Protective Conductor Clamp

The Wieland WK4 D2 2SLU Protective Conductor Clamp is a 10-piece DIN-rail grounding terminal designed for industrial grounding and protective earth connections in automation environments. It provides protective earth termination in PLC panels, control cabinets, industrial machinery, and power distribution assemblies, featuring an industrial-grade insulated housing for durability. Rated for 500 V and compatible with 20–10 AWG conductors, it mounts on a DIN rail via a DIN rail terminal installation and uses an industrial clamp terminal connection for continuous operation in demanding environments. Applications include machine control panels, process automation equipment, conveyors, and other industrial electrical cabinets where dependable grounding and safety protection are essential; common replacements include Phoenix Contact Ground Terminal Block, WAGO Protective Earth Terminal, and Weidmuller PE Terminal Block.