The BEY and BED connection sets are used to connect the main poles of the Line, Delta and Starcontactors of a star-delta starter.The connection sets are made up of:• Line contactor / delta contactor:-- BEY: upstream phase-to-phase connection-- BED: upstream connection in parallel• Delta contactor / star contactor: downstream connection in parallel• Star contactor: star point upstream• Insulated, solid copper bar.
