Siemens 3RM1107-3AA04 Soft Starter

The Siemens 3RM1107-3AA04 is a compact soft starter designed to reduce inrush current and provide smooth motor starting and stopping. It minimizes mechanical stress and electrical peak loads and is suitable for industrial applications such as pumps, fans, conveyors and small machinery. The unit supports DIN-rail or panel mounting, features electronic control and may include a bypass/disconnect contact depending on the variant. Standard protection functions include overload, phase loss and current protection. Ensure correct model selection and sizing according to motor rating and installation requirements. OEM Siemens part number: 3RM1107-3AA04.