Siemens 3RB1046-1EB0 is a SIRIUS solid-state overload relay for motor protection on three-phase loads, rated for 25 to 100 A with Class 10 protection and IEC compatibility. Sized as S3, it mounts on the main circuit of Siemens 3RT contactors via screw-terminal connections, and the auxiliary circuit terminals permit manual or automatic reset, making it suitable for protecting motors in standard industrial drives. Catalog number 85364900, this device weighs approximately 0.706 kg and is manufactured in the Czech Republic; it is commonly used with 3RT contactors to guard motors against overload and phase faults.
