FSL-FS*4 is a full height light screen for elevators. Here are its features: - High sensitive protection with *4 infrared diodes (*2 transmitter, *2 receiver) ; - 3, **0 mm working range; - External **0V AC power supply; - *0A relay contact output; - *********0 seconds delayed buzzer output; - *0 mm x *4 mm x 2, **0 mm dimensions.
