BEY96-4 is a connection set used to easily connect the main poles of the Line, Delta and Star AF80...AF96, AFC80...AFC96 or AFS80...AFS96 contactors of a star-delta starter.
The BEY connection set is made up of:
Line contactor / delta contactor: upstream phase-to-phase connection
Delta contactor / star contactor: downstream connection in parallel
Star contactor: star point upstream
Insulated, solid copper bar.