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.
The GJL1317201R0001 reference specifically is a power contacter to switch the AC power supply.
Its features are: Nominal control power voltage Us in CC: 24V, Drive voltage type: CC, nominal operating current Ie in CA-1, 400 V: 20A, nominal operating current Ie in CA-3, 400 V: 12A, nominal operating power in CA-3, 400 V: 5.5kW, assigned employment potential NEMA: 2,2371kW, Main connection type: Normally threaded contacts 4.