1)B Series AC Contactor CJX8 2)The manufacturer electrical motor magnetic thermal ac contactor series 3)Different type It has function of no voltage ... protection. It can be matched with JRS8(T) series thermal ... (10,000,000times)10.3 Operating frequency(time/h)AC-3600400300 AC CONTACTOR SERIES: LC1-D, LC1-DN, LC2-D, LC1-F, LC2 ...