The BEY connection sets are used to connect the main poles of the Line, Delta and Star contactorsof a star-delta starter.The connection sets are 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.
Interlock unit between delta & star contactors with or without VM4 or VEM4