1).3TB SERIES AC CONTACTOR 2).380V:9~32A 660V:7.2~18A 3).High cost performance 3TB SERIES AC CONTACTORAPPLICATION3TF series AC contactor are suitable in electrical system with AC 50/60Hz, rated operational voltage up to660V. In AC-3 usage, rated operational voltage up to 380V, rated operational current up to 630A to makeor break remote motors or system. They form electromagnetic starters with ...