Standard control unit LUCA, class 10, 4,5…18A, 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: 15 kW at 690 V AC 50/60 Hz, 7.5 kW at 400…440 V AC 50/60 Hz, 9 kW at 500 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.