Siemens 3RU1126-4DB1 – SIRIUS motor protection / overload relay (spare part)

The Siemens 3RU1126-4DB1 is a SIRIUS-series industrial motor protection / overload relay intended for use with contactors and other control equipment. Suitable as a spare part for industrial control panels, it provides reliable overload protection for motors and helps maintain stable operation. Built with a compact, robust enclosure suitable for DIN rail mounting and typical industrial environments. Verify compatibility with existing equipment before installation.