BEY140-4 connector sets consist of insulated, solid copper bars and are used to connect the main contacts of the mains, delta and star contactors of a star-delta starter.
The connector sets include:

• input-side phase-phase connection for mains contactor and delta contactor
• output-side parallel connection for delta contactor/star contactor
• upstream star point for star contactor
For use with or without mechanical interlock VM19.