Further information for DEHN 772311 KKH 20 SQ ball head D20 mm rigid
Rigid ball head cover, spindle with cross pin as phase-side or earth-side connection element according to DIN VDE 0683-100 (EN/IEC 61230) for ball fixed points for the phase-side of earthing and short-circuiting cables. With anti-twist protection, version PK 1.