Schneider Electric LUCA18FU is a TeSys LUCA standard control unit for TeSys U motor starters, delivering built‑in overload protection for three‑phase motors. It handles 4.5 A to 18 A full‑load current with Class 10 protection, includes an electronic overload relay and a current‑adjustment dial, and uses a modular, plug‑in design for quick maintenance. Designed for 3‑phase applications, it accepts coil voltages of 110–240 V AC or DC and supports line voltages up to 690 VAC, making it compatible with a wide range of motor control configurations and LUFN/LUFC accessories.
