Overload relay 25...100 A For motor protection Size S3, Class 20 Stand-alone installation Main circuit: straight-through transformer Auxiliary circuit: Screw terminal Manual-Automatic-Reset !!! Phased-out product !!! Successor is SIRIUS 3RB3 Preferred successor type is >>3RB3046-2XW1<< Simple, efficient and always up to date - SIRIUS modular system