CJX1(3TB、3TF)系列交流接触器主要适用于交流50Hz(60Hz)，额定电压至660V，在AC-3使用类别下其额定电压380V时，工作电流至630A的电路中。供远距离接通和分断电路及频繁起动和控制交流电动机，并可与当的热(过载)继电器组成电磁起动器，以保护可能发生操作过负荷的电路。符合标准:IEC947-4-1、GB14048.43TFSeriesACContactoraresuitableinelectricalsystemwithAC50/60HZ,ratedoperationalvoltageupto660V,inac-3usage,ratedoperationalvoltageupto380V,ratedoperationalcurrentupto630Atomakeorbreakremotemotosorsystem.Theformelectromagneticstarterswithsuitablethermaloverloadorphase-failure.ThearemodeaccordingtoIEC947.BS5424 VDE0660.Thecontactorisastraightmotionmechanismhavingdouble-breakingcontacts.Theauxiliarycontactsarearranged2NO.2NCatmost,Itisemployedtheflexiblelockingconnectionbe-tweenthecontactsupportandcore,threearenoarcisolatedpanleinthele 32Acontacotors,therearemouldedarc-chutewitharcisolatedpanel,becauseallcontactsaremadeofhighnonfusibilityandagainstcorrosionsilveralloy.Allseriesproductscanbemountedbyscrews,le 32Acontactoralsobyinstallationrail.