... LA2-D24, LA3-D20, LA3-D22, LA3-D24, Range of time delay: 0.1-3s, 0.1-30s, 10-180s ... .1-30s, 10-180s Qty of time delay contact: NO+NC, Model and its meaning of air time delay contact LA_-D ... switch-off time delay. _: 20 denotes range of time delay 0.1~3s _: 22 denotes range ... Exporters. China AC Contactor Manufacturer, We supply OEM service of AC Contactor for you, AC Contactor Regular Sellers, Lc2- ...