Description
The Siemens 3RW4028-2TB05 SIRIUS soft starter is a professional-grade device engineered to provide smooth and controlled acceleration for 3-phase motors. With a robust 22 kW power capacity and an operating voltage range of 400 to 600V AC, this soft starter significantly reduces mechanical shock and electrical stress on motor windings during startup, thereby extending the lifespan of connected equipment. Its IP20 protection rating is suitable for applications where protection against solid objects greater than 12.5mm is required. The Siemens 3RW4028-2TB05 is designed for easy integration into motor control systems, offering reliable performance and operational efficiency. It helps to minimize power surges and torque fluctuations, leading to more stable operation. This soft starter is ideal for applications such as conveyor systems, pumps, and fans where gradual motor start-up is beneficial. By choosing the Siemens 3RW4028-2TB05, you are investing in a high-quality motor starter that enhances system reliability and reduces maintenance costs. It represents a smart choice for optimizing motor control and protecting valuable assets.









