1SVR500211R0100 ABB - CT-SDD.22

The 1SVR500211R0100, also known as the CT-SDD.22, is a versatile star-delta timer relay manufactured by ABB. This timing relay is designed to facilitate the smooth starting of three-phase motors by reducing the initial inrush current. It operates within a wide voltage range, accepting both 24-48V DC and 24-240V AC power supplies, enhancing its adaptability to various industrial environments. The CT-SDD.22 features two normally open (2NO) contacts, providing reliable switching capabilities for control circuits. Its star-delta function ensures a controlled transition from star to delta configuration, minimizing mechanical stress on the motor and connected equipment. This relay is commonly used in motor control centers (MCCs) and other industrial automation systems. It offers precise timing adjustments, allowing users to optimize motor starting performance based on specific application requirements. The compact design of the CT-SDD.22 enables easy integration into existing control panels. ABB's CT-SDD.22 is a robust and dependable solution for star-delta motor starting applications, contributing to increased motor lifespan and energy efficiency. This device is an essential component for ensuring the reliable and efficient operation of three-phase motors in diverse industrial settings.