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The PRM10 resistance relay is used to protect electrical devices from hazardous temperature increases. The temperature measurement is performed by external PTC temperature sensors, which can be connected in series. An increase in temperature at the sensor beyond a safe value triggers the output relay. The PTC sensor is galvanically isolated from the network by an internal isolation transformer. The set includes a PTC sensor that activates the system at a temperature of approximately 100 oC.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.