Contrel Temperature Monitor Relays

Over temperatures caused by overloads or internal failure of transformers and electrical machines, inevitably leads to a reduced efficiency and energy loss in distribution systems.

To prevent and control degradation of insulating materials in electrical machines due to thermal stress, it is necessary to use integrated measurement systems such as Contrel CTT control units.

Contrel CTT control units are able to read four temperature values (8 values on model CTT-8) with the help of four Pt100 probes. For each inputs it is possible to set the threshold temperature of alarm and trip with great accuracy and to display the maximum values reached.

Contrel CTT control units can be supplied with the serial interface to allow remote monitoring of temperatures using a PC.

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