1SVR550212R4100 ABB - CT-SDE

The 1SVR550212R4100, also known as the CT-SDE, is a high-performance star-delta time relay meticulously engineered by ABB. This relay is specifically designed to facilitate the smooth and efficient starting of three-phase induction motors, minimizing stress on both the motor and the electrical grid. It features a single changeover contact (1c/o) configuration, providing versatile control options for various applications. The CT-SDE offers an adjustable time range from 0.3 to 30 seconds, allowing precise customization of the star-to-delta transition. It is designed to operate within a 380-415VAC voltage range, making it suitable for a wide array of industrial power systems. This time relay ensures a seamless transition from star to delta connection, reducing inrush current and preventing voltage dips. Its robust design guarantees reliable performance in demanding industrial environments. The CT-SDE is an ideal solution for motor control applications requiring precise and dependable star-delta starting. ABB's commitment to quality ensures long-lasting and efficient operation.