Anyone please can explain the wire connection (blue portion)of this type of magnetic contactor?How it works,why it connected as such?
Thanks!!

http://s459.photobucket.com/albums/qq320/wkyong/?action=view&current=Magneticcontactor.jpg

 

Probably a line filter, for a relay. Maybe a protection circuit? Show more of the circuit and the device, and someone can give you more information.
Dan

 

Do you have the part number of the relay?