F4(LA1) series auxiliary contact group can be fixed on top of JZC4 series contactor type relay of CJX2 series AC contactor, it is used to enlarge the number for auxiliary contact pairs, Contact function of sliding is adopted in auxiliary group, it can self-clean, so as to ensure making circuit. F4 series auxiliary contact group is divided into 8 following specs:F4-11,20,13,31,22.
Auxiliary conacts meaning
Auxiliary contact group
Air time-delay type and meaning
F4-22 auxiliary contact group Thermal Relay