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I have an application where I want to use a motor thermistor in lieu of an overload to protect my motor. What can you suggest?

April 26, 2017application lieu motor Overload protect thermistor

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I have an application where I want to use a motor thermistor in lieu of an overload to protect my motor. What can you suggest?

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Sprecher +Schuh manufacture a dedicated thermistor protection relay – RT 7, which can directly monitor the temperature of a given object via a PTC (positive temperature coefficient) resistor acting as a temperature sensor. The outcome is an independent and reliable method of thermal protection that also takes external environmental influences into account. Alternatively you can use one of the Sprecher + Schuh electronic overloads and motor protection relays that also accept PTC inputs. This solution can provide both overload and thermistor protection at the same time.