The temperature controller operates by automatically sampling and monitoring the ambient temperature through a temperature sensor. When the ambient temperature exceeds the set control value, the control circuit is activated, and control hysteresis can be set. If the temperature continues to rise, an alarm is triggered once it reaches the set temperature limit. If effective control of the temperature is not achieved, the device can be stopped from continuing to run further to prevent damage by means of the trip function. It is primarily used in various high and low-voltage switchgears, dry-type transformers, box-type substations, and other related temperature application areas in the power sector.

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