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, the over-limit alarm function is triggered when it reaches the set alarm temperature. In case the controlled temperature cannot be effectively controlled, the device can be stopped from continuing to run to prevent damage by means of the trip function. It is mainly used in various high and low-voltage switch cabinets, dry-type transformers, box-type substations, and other related temperature applications used by the power sector.

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