✅ ABB StaircaseE 232-230 – Staircase Timer Switch (Part No.: 2CDE110000R0501) The ABB StaircaseE 232-230 is an electronic timer switch for controlling lighting in stairwells or corridors. It ensures lights stay on for a set duration (adjustable), enhancing energy efficiency. Technical Specifications: Part Number: 2CDE110000R0501 Model: StaircaseE 232-230 Voltage: 230V AC Function: Staircase lighting timer Time Range: Adjustable Applications: Residential, public buildings, corridor lighting Mounting: DIN rail