TeSys U standard control unit to be inserted in power bases LUB12, LUB32, LUB38 to form a TeSys U starter controller, for 3-phase motor applications up to 1.5kW@400V. It provides full protection to motors with a rated current Ir 1.25-5A (Ir adjustable), overload tripping class 10, short circuit at 13 x Irmax, overcurrent at 14.2 x Ir, phase loss, insulation fault (protection of equipment only). To be used with a 24V DC voltage for the control of the starter (through the control terminals A1/A2 located in the power base). Certified when used in conjunction with a LUB power base (IEC, UL, CSA, CCC, EAC, Marine), Green Premium compliant (RoHS/REACh). Specifications Main Range TeSys Range of product TeSys Ultra Product name TeSys Ultra Device short name LUCA Product or component type Standard control unit Device application Motor control Motor protection Product specific application Basic protection requirements for motor starters: overload and short-circuit main function available Protection against phase failure and phase imbalance Manual reset Earth fault protection Protection against overload and short-circuit Product compatibility Power base LUB12 Power base LUB32 Power base LUB38 Power base LUB120 Power base LUB320 Power base LUB380 Reversing contactor breaker LU2B12BL Reversing contactor breaker LU2B32BL Reversing contactor breaker LU2B38BL [Ue] rated operational voltage 690 V AC Network frequency 40...60 Hz Load type 3-phase motor self-cooled Utilisation category AC-44 AC-43 AC-41 Motor power kW 1.5 kW 400...440 V AC 50/60 Hz 2.2 kW 500 V AC 50/60 Hz 3 kW 690 V AC 50/60 Hz rated motor current adjustment range 1.25…5 A Thermal overload class Class 10 40…60 Hz -13…158 °F (-25…70 °C) IEC 60947-6-2 Class 10 40…60 Hz -13…158 °F (-25…70 °C) UL 508 Tripping threshold 14.2 x Ir +/- 20 % Phase failure sensitivity Yes [Uc] control circuit voltage 24 V DC