The Siemens Overload relay is used for motor protection. The relay have current capacity of 12.5 to 50 A. It has size S3, class 20E stand-alone installation main circuit, straight-through transformer auxiliary circuit and it is spring-type terminal manual-automatic-reset device.
Surge voltage resistance rated value of 8 kV Shock resistance 8g / 11 ms Operating frequency rated value 50 to 60 Hz Power loss: 0.2 W