LED Cross Beam Light Curtain, Packaging Type : ref descpt

We are one of the famous company, who are manufacturer of cross beam light curtain Cross Beam Light Curtain is a type of photoelectric safety sensor consisting of a transmitter and a receiver arranged to create multiple parallel infrared or visible light beams across a protected area or machine perimeter. These beams form a “curtain” that detects intrusion or obstruction when any beam is interrupted.

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Unlike single-beam sensors, cross beam light curtains provide multiple beams arranged vertically or horizontally to offer a protective field with height and width coverage, typically used for safety guarding of machines, access control, or hazardous zones. Principle: Infrared LED transmitter emits multiple beams toward a receiver array of photodiodes.

Beam count: Typically 4 to 64 beams depending on safety level and coverage needed.

Protective height: Usually 100 mm to 2000 mm or more.

Response time: Typically 10 ms to 30 ms for detection.

Output types: Safety-rated outputs like OSSD (Output Signal Switching Device), relay contacts, or transistor outputs.

Operating range: From 0.1 m to 15 m+ depending on model.

Resolution/Beam pitch: Distance between adjacent beams — typically 12 mm to 40 mm for finger or hand protection. Applications

Machine guarding on presses, cutting machines, robotic cells

Safety perimeter guarding around conveyors or hazardous areas

Access control and safety gates to prevent accidental entry during operation

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Packaging lines where operator access needs control

Automated material handling zones Multi-beam detection ensures high sensitivity and prevents small object bypass

Fast response time suitable for emergency stops

Non-contact sensing for no mechanical wear

Configurable muting and blanking for material passage without shutdown

Easy installation and alignment with visible LED indicators

Safety certifications: Typically compliant with ISO 13849-1 PL d/e, IEC 61496, and SIL 2/3

High ingress protection (IP54 to IP67) suitable for harsh industrial environments

Basic 4–8 beam 4–8 100–300 mm 

Mid-range 12–32 beam 12–32 300–1500 mm 

High-end 40–64 beam 40–64 1500–2000+ mm  Beam pitch should match safety requirements (e.g., ≤14 mm for finger protection)

Response time and safety category impact suitability for high-risk machines

Environmental factors: dust, water ingress, ambient light interference — check IP rating and modulation features

Mounting & alignment flexibility for ease of integration

Interface compatibility with safety relays, PLCs, or safety controllers

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