Elevator Door Machine Sensor Switch

The elevator door machine switch YA043D166-04 is a photoelectric sensor commonly fitted on the drive unit that runs the lift doors. It senses the door’s position to inform the controller whether the door is open, closing, or fully closed. By providing accurate feedback, this switch helps ensure the doors stop or reverse safely if something blocks them, or allow movement when fully closed. It supports smooth, precise door motion and adds a key safety checkpoint in the system.

This switch is often used in modern lift systems where door motion must be monitored closely. Its compact design and stable operation make it reliable during daily use and maintenance. In UAE installations, it helps reduce errors in door alignment, improves performance, and supports safe elevator operation.

Key Specifications:

• Type: Photoelectric door position sensor
• Model: YA043D166-04
• Function: Detects door position and movement
• Mounting: Door machine/drive system
• Signal Type: On-off or continuous signalling based on position
• Use: Supports safe and precise door motion in elevator systems
• Benefit: Reduces door faults and enhances system safety