For longer service life of the overhead crane resistor, we must pay attention to its temperature during operation, it is a key factor which related to whether the overhead crane resistor can safe operate.
Under normal circumstances, when we usually use the overhead crane resistor, must monitor it overheating in time, and it should be noted that the resistance temperature is higher than ambient temperature to 350 ℃, should increase the corresponding resistance level or increase the entire resistor capacity. In addition, when the temperature is lower than ambient temperature to 100 ° C, the resistance capacity is excessively high.
Notice: In order to better maintain the overhead crane resistor, when its oxide layer come out rust, can remove the rust with wire brush, rasp, emery cloth, so as to better keep the resistor surface clean, has a good heat dissipation performance.
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