Siemens Overload relay, 27 - 32A thermal for motor protectionProduct Overview The 3RU2126 4EB1 thermal overload relay is designed for current dependent protection of three phase motors and electrical loads against overload, phase asymmetry, and phase failure. This Size S0, Class 10 relay features an adjustable current range of 27 to 32 A and is optimized for stand alone installation, providing flexible mounting options including DIN rail and surface mounting for independent motor protection applications. Key