The SELEC 800SD-2-230 Star Delta Function Timer is a precision-engineered electrical timer designed specifically for controlling star-delta motor starters used in industrial three-phase motor applications. Featuring dual time ranges with user-selectable DIP switch settings, it provides accurate run-up time of 30 or 60 seconds and a changeover time of 50 or 100 milliseconds to ensure smooth motor transition between star and delta configurations. The timer includes clear LED indications for Star Relay ON and Delta Relay ON states, enhancing easy monitoring and troubleshooting during operation. With relay outputs rated at 5A @ 250V AC, it supports reliable switching for star and delta circuits. This compact device mounts easily on standard DIN rails and supports a wide auxiliary supply voltage range from 110V AC to 415V AC, making it adaptable to various industrial power environments. Its quick reset time of less than 100 milliseconds and CE certification reinforce its suitability for industrial motor control panels, helping reduce mechanical stress and improving motor life cycle.

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