ABB it has a large family of contacters: tripolar contacters and overload relays for engine startup and power switching (AF, minicontactors, AS), tetrapolars for switching the power (AF and minicontactors), auxiliary for the switching of auxiliary circuits (AS and minicontactors), for the switching of capacitors (UA.RA), CC.
Reference 1SAZ711201R1040 specifically, is a thermal overload relay.
Its features are: Adjustable current range: 5.7 - 7,6 A, Maximum nominal service voltage Ue: 690V, Main current circuit connection type: Roscade connection, Normally closed auxiliary contact number: 1, Normally open auxiliary contact number: 1, Number of auxiliary contacts as change contact: 1, Type of shooting: CLASSE 10, Automatic reset function, Push reset function.