มีของพร้อมจัดส่งภายใน 7-10 วันทำการ (In stock for delivery within 7-10 working days)
The ABB WA4 mechanical latching unit is used for AF09 to AF96 contactors and NF contactor relays to ensure that the contactor or contactor relay remains switched on even if there is a lack or a failure of voltage.
