The ABB CT-SDE is an electronic timing relay specifically designed for star-delta starter applications. It provides precise time control for the transition between star and delta connections in motor starting circuits. With adjustable delay timing and high reliability, the CT-SDE helps reduce mechanical stress and inrush current during motor startup, ensuring smooth and safe operation.

? Key Features:

• Application: Designed for star–delta motor starters

• Function: Controls switching delay between star and delta contactors

• Time Range: Adjustable transition time (commonly 0.1 – 10 seconds or more depending on model)

• Power Supply: Wide voltage range options available

• Mounting: DIN rail mounting for quick and easy installation

• Accuracy: High timing precision for consistent performance

• Status Indication: LED indicators for power and output status

• Durability: Long-lasting electronic components designed for industrial use

• Standards: IEC, UL, and CSA certified for global applications