Just type in the model of the contactor on the internet, and everything is known.
You have 3 NO (normally open) contacts, and one NC (normally closed) contact.
Terminals 13-14, 33-34, 43-44 are NO (normally open) contacts.
Terminals 21-22 are NC (normally closed) contacts.
Terminals A1-A2 are the coil of the contactor.
