Toroidal current transducer TB series

DIN railpanel-mountsingle-phase

The TB series toroidal current transducers, designed to be installed in applications with DER4B type B differential relays, detect zero-sequence/differential currents dispersed towards earth. They have a single leakage current measurement winding (500 turns). The transducers must be installed upstream of the line or loads to be protected and monitored. All the active conductors (phase and neutral) of the single-phase or three-phase lines must pass inside. Dossena uses a special magnetic alloy for its toroidal transducers, in doing so, the ferromagnetic core is able to guarantee broad magnetic qualities and detect even very low fault current values. Each Dossena transducer is tested and tested individually through a highly selective computerized system that fully evaluates the quality (total compliance with the technical characteristics) and safety of the product. Advantages of purchasing: Wide range capable of satisfying every need. Core in special ferromagnetic alloy very sensitive to currents dispersed towards earth Housing in self-extinguishing CL V0 plastic material Withstand short circuit current 80KA for 0.5 seconds Degree of protection IP30 (connections IP20) Operating temperature from -10°C to +50°C. One measurement winding (500 turns) Easy installation (panel bottom and/or Din rail mounting) Reference standard: IEC 61869-2