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Goals and Symptoms
Is it posible adjust the nominal current of an ATS48C41Y below 0,4 IcL? We have a sofstarter 410A. Its minimal current adjust is 164A (0,4 x 410A) but the motor to control has a nominal current of 136A (the motor was changed before finish the project). The customer doesn´t accept a thermal protection LRD type. He is demanding to modify the ATS48 to get the thermal protection. - It is posible to modify the thermal protection of the ATS48C41Y, for example replacing its power board?
Facts and Changes
ATS48 used with a litlle motor
Causes and Fixes
It's not possible to modify the soft of the starter by replacing the control board in your case because there is an EEPROM inside the power board containing the size ( nominal current, etc... ) and there is an autoadaptation between the both cards. The thermal protection is make with PTC on the heatseak and calculation with the thyristors. The best solution is to replace the ATS.