Standard control unit LUCA, class 10, 3…12A, 48…72 V DC/AC. range: TeSys – product name: TeSys U – device short name: LUCA – product specific application: basic protection requirements for motor starters: overload and short-circuit – product compatibility: LUFC00, LUFN.. – utilisation category: AC-41, AC-43, AC-44 – motor power kW: 5.5 kW at 400…440 V AC 50/60 Hz, 5.5 kW at 500 V AC 50/60 Hz, 9 kW at 690 V AC 50/60 Hz – [Uc] control circuit voltage: 48 V AC, 48…72 V DC – thermal overload class: class 10 – frequency limit: 40…60 Hz – temperature compensation: -25…70 °C – conforming to IEC 60947-6-2, class 10 – frequency limit: 40…60 Hz – temperature compensation: -25…70 °C – conforming to UL 508, class 20 – frequency limit: 40…60 Hz – temperature compensation: -25…70 °C – conforming to IEC 60947-6-2, class 20 – frequency limit: 40…60 Hz – temperature compensation: -25…70 °C – conforming to UL 508.

• · 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 5.5kW@400V.
• · It provides full protection to motors with a rated current Ir 3-12A (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 48V AC / 48-72V DC voltage for the control of the starter (through the control terminals A1/A2 located in the power base).