**Product Description**: Siemens Soft Starter (Model 3RW5553-6HA14) for high-power industrial motors up to 400 kW (720 A). Engineered with Inside Delta connection to enable reduced current flow through the starter and support larger motor control using compact units. **Technical Specifications**: - Motor Power: 400 kW - Rated Current: 720 A - Control Coil Voltage: 110-250 V AC - Equivalent Power with Inside Delta Circuit: 710 kW - Mounting: Panel - Operating Voltage: 3-phase, 400–690 V AC - Functions: Soft Start/Stop, current limiting, motor protection - Protection Class: IP20/IP00 depending on model - Standards: IEC/EN 60947-4-2 compliant **Applications**: - Heavy-duty industrial machinery - Pumps and compressors in water and wastewater facilities - Crushing, grinding, and processing plants - High-inertia loads requiring controlled torque