Weidmüller Klippon STB Consignes De Montage page 8

Internal/External Earth Stud Assembly
The drawing below provides a view of all standard earthing connections and
a profile of earth stud.
A Square nut
B Conical spring washer
C Hexagon nut
D Clamp strab
E Cable lug (not in the batch included)
Lid Earth Screw Assembly
Attach the cable lug to the earth screw followed by the spring washer and
tighten the complete assembly with a full nut (up to max. force 7.5 Nm).
8
(not in the batch included)
(not in the batch included)