BEY16-4 is a connection set used to easily connect the main poles of the Line, Delta and Star contactors of a star-delta starter for AF09 ... AF16, AFC09 ... AFC16 or AFS09 ... AFS16 contactor ranges.
The ESB25..N installation contactors are used to control single and three-phase loads up to 25 A and can be operated by AC or DC. These contactors are made for use in household applications as well...