WECO-957M84-DC24B Elevator Infrared Light Curtain Door Safety Sensor DC24V Anti-Pinch Photocell Transmitter & Receiver Lift Replacement Spare Parts

WECO-957M84-DC24B is a popular universal infrared light curtain developed by WECO, widely used for all types of passenger elevators. This set consists of transmitter and receiver, powered by DC24V. Adopting dense multi-beam infrared sensing technology and built-in anti-interference circuit, it delivers stable signal performance against frequency converter electromagnetic interference. The compact ABS dustproof housing is easy to install on car door header. Standard signal output matches most elevator door controllers; plug-and-play replacement without complicated setting.

Core Functions
Elevator Door Anti-Pinch Safety Protection
Transmitter and receiver form an infrared barrier between elevator doors. If any object blocks the beams, the light curtain sends signal to stop door closing and reopen the doors, avoiding passenger clamping accidents.
Real-time Obstacle Detection
Continuously monitor the door opening path during door closing movement. It works as the primary safety device to protect passengers, luggage and foreign objects.
Stable Signal Communication with Door Controller
Transmit obstacle status signal to door operator board reliably. It cooperates with door control logic to guarantee safe door operation.
Wide Universal Compatibility
Designed as a general replacement photocell. Suitable for retrofitting and maintenance of most domestic and international brand elevators, greatly reducing spare part procurement difficulty.
Reduce Elevator Safety Hazards
Effectively lower maintenance complaints and safety risks for property management, elevator maintenance companies and building contractors.