The TeSys U control unit with magnetic protection is designed for installation in the base unit LUB38 and forms a compact motor starter for 3-phase motor applications up to 18.5 kW at 400 V. It provides short-circuit protection for motors with a rated current In of 9.5 to 38 A (In adjustable via a rotary knob) and an overload protection level at 14.2 x In. Application: Requirements for basic protection of motor outputs: overload and short circuit. To be used with a 110-240 V AC / 110-220 V DC voltage to control the starter (via the control terminals A1/A2 on the base unit). Certified for use with a LUB Power Base (IEC, UL, CSA, CCC, EAC), Green Premium compliant (RoHS/REACh).