... enlarge number for auxiliary contact pairs Application: LA1 series auxiliary contactor can be fixed onto the ac contactor to add the ... 02,20,13,22,40,04.LA1-DN series auxiliary contacts can be fixed on top of JZC4 ... ensures electric circuit can be put through. F4 series auxiliary contacts are divided into 8 specification: F4-11, ... is of LA1-DN22: LA1-DN22 Series Auxiliary Contact auxiliary contactor