Siemens 3UA5240-1H Thermal Overload Relay (5-8 A) provides motor protection in AC motor circuits by monitoring current and tripping when overload occurs. As part of the 3UA family, this model offers an adjustable current setting in the 5 to 8 amp range, enabling precise tailoring to the connected motor load. It is designed for use with compatible Siemens contactors in industrial motor control panels, helping prevent motor winding damage and overheating by interrupting current when an overload condition is detected. The model number 3UA5240-1H identifies this specific 5-8 A variant within the 3UA overload relay lineup.
