มีของพร้อมจัดส่งภายใน 7-10 วันทำการ (In stock for delivery within 7-10 working days)
The ABB RA4 interface relay is designed to receive 24 V DC signals delivered by PLC’s or other sources with a low output power and to restore them with sufficient power to operate the coils of the relevant AF09 to AF96 contactors or the NF contactor relays.