**Product Description**: Siemens Soft Starter (Model 3RW5226-1AC14) for industrial motors up to 37 kW (77 A). Supports Inside Delta connection reducing current stress and installation space. Operates on control voltage 110-250 V AC. **Technical Specifications**: - Motor Power: 37 kW - Rated Current: 77 A - Control Coil Voltage: 110-250 V AC - Equivalent Power with Inside Delta Circuit: 75 kW - Operating Voltage: 3-phase, 400 V AC typical - Control Type: Soft Start/Stop, current limiting - Built-in monitoring and fault diagnostics - Standards: IEC/EN 60947-4-2 compliant **Applications**: - Large industrial motors and compressors - Water supply and irrigation pumps - Crushers, mixers, and heavy mechanical drives - Energy-saving soft start in high-inertia loads