This ball-end termination bolt is used as a phase connection and as a screw connection for busbars (busbar gland) for mechanical fixation and for the transfer of electrodynamic forces during short-circuit events

High current measurements up to 2000 A AC/DC and detection of inrush currents — used for measuring motor start-up and inductive loads (as stated in manufacturer text)

Further manufacturer data and product dimensions can be found in TRESTON's official product sheet:

and the connector has a rigid insulating sleeve

Type: stikdel i 16BV rund konnektorserie

Sugekop ESD 1/8 Unit(s):Pcs This ball-end termination bolt is. Temperature (max): 230 C, Color of product: Black. Quantity per package: 1 pc. Tip width: 3. 18 mm