**Product Description**: Siemens Stairwell Light Timer (Model 7LF6310) is an automatic staircase lighting time switch. It features a single normally open (1 NO) contact rated at 16 A and operates on a 230 V AC supply. The timer allows adjustable light duration ranging from 0.5 to 10 minutes, providing energy-efficient control of staircase lighting. **Technical Specifications**: - Part Number: 7LF6310 - Rated Current: 16 A - Operating Voltage: 230 V - Contact Type: 1 NO - Time Setting Range: 0.5 to 10 minutes - Mounting: DIN rail - Application: Stairwells, corridors, public halls - Standards: IEC compliant **Applications**: - Automatic control of lighting in staircases and passageways - Ideal for shared lighting zones in residential buildings, offices, and hotels - Prevents energy waste by switching off lights after a set period - Enhances convenience and safety in multi-floor facilities