Stls-2 (Cjx2) Series Mechanical Interlocking Contactor yog tsim rau siv nyob rau hauv lub circuits mus txog qhov ntsuas voltage 660V AC 50Hz, tam sim no 620A, rau convertible tswj lub cev muaj zog. Qhov no mechanical interlocking ntaus ntawv xyuas kom meej kev sib cuag ntawm ob convertible contactors. Nws ua raws li IEC60947-4-1 Cov Qauv.