CJX1(3TB、3TF)系列交流接觸器主要適用于交流50Hz(60Hz)，額定電壓至660V，在AC-3使用類別下其額定電壓380V時，工作電流至630A的電路中。供遠距離接通和分斷電路及頻繁起動和控制交流電動機，并可與當(dāng)?shù)臒?過載)繼電器組成電磁起動器，以保護可能發(fā)生操作過負荷的電路。符合標(biāo)準(zhǔn):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.