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Infrared Protection Barrier for Industrial Doors with Adjustable 500-2500mm Length
Product Overview
The JUTAI CL Series Infrared Protection Barrier is a professional safety solution tailored for industrial doors, offering adjustable lengths from 500mm to 2500mm to fit diverse door sizes. It forms an invisible light grid between the emitter and receiver, instantly triggering door reversal or stopping when personnel/objects intrude—effectively preventing pinching accidents in industrial environments. With IP67 protection and aluminum alloy housing, it delivers reliable performance in harsh conditions.
NO/NC relay output (default NO, configurable to NC); COM terminal included
Protection Rating
IP67 (dustproof + waterproof)
Housing Material
Aluminum alloy
Operating Range (Emitter to Receiver)
1-8m
Cable Length
Transmitter: 8m; Receiver: 4m
Connector Type
Transmitter: 5-pole M8 male; Receiver: 4-pole M8 male
Operating Temperature
-20°C ~ +60°C
Key Function
Industrial door anti-pinch + Blanking Mode (first channel non-trigger)
LED Status Indicators
Transmitter: Steady blue (normal); Fast-flashing red (voltage <9V or >28V) Receiver: Steady red (blocked); Steady blue (unblocked); Flashing blue (misalignment)
Installation Hole Dimensions (Unit: mm)
14, 29, 75, 80, 175, 19.7, 21.4, 259
Key Advantages
500-2500mm Adjustable Length: Multiple length options cover small access doors (500mm) to extra-large industrial doors (2500mm), adapting to diverse industrial door sizes. No additional modifications needed—direct selection of matching models for different door openings.
Targeted Industrial Door Protection: 8-beam light grid eliminates safety blind spots, detecting hands, limbs, or objects to prevent pinching/crushing. Blanking Mode adapts to industrial door gaps, avoiding false alarms during normal closure.
Rugged & Environmentally Resilient: IP67 protection withstands dust, water splashes, and harsh industrial conditions, suitable for indoor/outdoor use. Aluminum alloy housing resists corrosion and mechanical wear, ensuring long-term reliability.
Easy Installation & Operation: Color-coded wiring simplifies connection to industrial door control systems. Adjustable mounting brackets fit various door frames; intuitive LED indicators enable quick troubleshooting.
Wiring Guide
Component
Wire Color
Function
Notes
Transmitter
Red
DC12-24V Positive Power Supply
Connect to stable power supply
Transmitter
Black
Ground (GND)
Connect to power negative terminal
Transmitter
Green/Yellow/White
Reserve
No connection required for basic use
Receiver
Red
DC12-24V Positive Power Supply
Same as transmitter power
Receiver
Black
Ground (GND)
Shared ground with transmitter
Receiver
Green
NO/NC Output (Default NO)
Connect to door control system's safety signal input
Receiver
Yellow
Configurable NC
Activate via Blanking Mode setup
Receiver
White
COM (Common Terminal)
Matching terminal for NO/NC output
Critical Warning: Do NOT connect NO/NC terminals to power supply positive—this will damage the optical relay.
Blanking Mode Activation Steps
Complete wiring and power on the device.
Within 1 minute of power-on, touch the receiver's Green wire to its GND (Black wire) five times.
Receiver's Red light blinks to confirm activation: Yellow wire switches to NC mode, Blanking Mode enabled.
Model & Length Matching
Model
Length
Target Industrial Door Types
CL05-8L
500mm
Small access doors, utility doors
CL10-8L
1000mm
Medium roller shutter doors, garage doors
CL15-8L
1500mm
Warehouse sectional doors, logistics center doors
CL20-8L
2000mm
Large industrial fast doors, cold storage doors
CL25-8L
2500mm
Extra-large loading dock doors, heavy-duty industrial doors
Troubleshooting
Fault Symptoms
Solutions
Receiver's blue light flashes (power-on)
Realign emitter and receiver for parallel alignment
Transmitter's red light flashes fast
Stabilize power supply to DC12-24V (avoid <9V or >28V)
No anti-pinch action (device normal)
Recheck wiring against the guide to fix connection errors
Unable to enter Blanking Mode
1. Fix door sealing to prevent light leakage 2. Clear debris blocking the bottommost beam 3. Ensure door/obstruction meets minimum continuous blocking distance
Usage & Maintenance Guidelines
Keep cables away from high-voltage conductors and door machinery to avoid damage.
Regularly wipe emitter/receiver lenses with a dry, soft cloth to remove dust/dirt.
Do not bend/twist the device or cables; avoid scratching infrared lenses.
Prevent direct sunlight or infrared light sources from shining on the receiver.
Cold Storage Giant: Reliable Operation at -25°C "JUTAI's sensor eliminated downtime in our cold storage facility. The IP67 rating ensured reliable operation even at -25°C." — Michael Chen, Warehouse Manager, Leading Cold Chain Logistics Provider
Automotive Manufacturing Leader: Seamless Integration "The dual-mode feature allowed seamless integration into our existing infrastructure. Installation was effortless!" — Lisa Wang, Safety Engineer, Global Automotive Manufacturer
Pharmaceutical Plant: Compliance & Efficiency "JUTAI's CE-certified sensor met our safety standards while reducing maintenance costs by 30%." — David Li, Plant Director, International Pharmaceutical Corporation
E-commerce Warehouse: Accident-Free Operations "After installing JUTAI's 16-beam sensor, we saw a 100% reduction in conveyor-related incidents." — Sarah Zhang, Safety Officer, Top E-commerce Fulfillment Center
Heavy Machinery Manufacturer: Enhanced Operator Safety "The sensor's rapid response time (<=20ms) protected workers from robotic arm collisions during high-speed operations." — John Wu, Engineering Manager, Industrial Equipment Producer
Food Processing Plant: Hygienic & Durable "The IP67 aluminum housing resists water in our food processing lines while maintaining accuracy." — Emily Chen, Quality Assurance Manager, Global Food & Beverage Company
Fire & Safety Provider: Fire Door Compliance "The sensor ensures fire doors close safely without compromising personnel safety during drills." — Jason Zhou, Technical Lead, Fire Protection Systems Company
Shenzhen Jutai COMM Co., Ltd. is a high-tech privately-owned enterprise that integrates production, research and development, and sales. Our company is dedicated to the research and development as well as system integration of security products, achieving an intelligent one unified platform that int... Shenzhen Jutai COMM Co., Ltd. is a high-tech privately-owned enterprise that integrates production, research and development, and sales. Our company is dedicated to the research and development as well as system integration of security products, achieving an intelligent one unified platform that int...