TeSys U basic unit with reversing block (3NO), rated current 38A/690V, to be complemented with a LUC control unit for a TeSys U reversing starter control, suitable for 3-phase motor applications up to 18.5 kW at 400 V. Basic unit with pre-wired switching and protection combination. Standardly equipped with 2 auxiliary contacts (1 NO + 1 NC). Fitted with a reversing module LU2MB0BL for 24 V DC supply, auxiliary contacts (1NO + 1NC), a control terminal block, and blank covers for unused slots. It offers a high breaking capacity Icu 25 kA at 400 V, start-stop control guaranteed for 3600 cycles per hour. Very compact (45 mm width), DIN rail mounted and screw fastening, with a lockable rotary handle. Certified for use in conjunction with a LUC control unit (IEC, UL, CSA, CCC, EAC), Green Premium compliant (RoHS/REACh).