Tera Motor Management System - LTMT Sensor Modules. The LTMTCT or LTMTCTV Sensor Module measures the electrical parameters of the energy feeding a motor. TeSys Tera is a flexible system that integrates seamlessly into your automation system through five major communication protocols. Phase loss and phase reversal detection based on current TeSys Tera LTMTCTV Sensor Module with Current range from 10 to 100A, 690VAC and Frequency range 45 to 65Hz sensor Modules with current transformers for horizontal mounting. Phase loss and phase reversal detection based on current The LTMTCTV Sensor Module features like Phase current imbalance calculation and Ground current calculation. sensor has the following certifications: IEC, UL, cUL.