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China factory - Shenzhen Jutai Comm Co., Ltd.

Shenzhen Jutai Comm Co., Ltd.

  • China,Shenzhen ,Guangdong
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  3. Infrared Safety Sensor Grid for Roller Shutter Doors with Anti-Pinch Protection
China Infrared Safety Sensor Grid for Roller Shutter Doors with Anti-Pinch Protection
China Infrared Safety Sensor Grid for Roller Shutter Doors with Anti-Pinch Protection

  1. China Infrared Safety Sensor Grid for Roller Shutter Doors with Anti-Pinch Protection

Infrared Safety Sensor Grid for Roller Shutter Doors with Anti-Pinch Protection

  1. MOQ： 1
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Payment Terms T/T,L/C,D/A,D/P,Western Union,Paypal,,MoneyGram,Alipay
Supply Ability 1000 pieces per month
Delivery Time 5 - 8 working days
Packaging Details Cartoon
IP Rating IP67
Function Blanking
Sensing Distance 8m
Material Aluminum Alloy
Feature Corrosion Resistant
Power Voltage DC12-24V
Operating Temperature -20~60℃
Operating Current <50mA
Output No/Nc, COM
Working Current <20mA@DC12V-24V
Specification 2000*21*15 mm
Brand Name JUTAI
Model Number CL20-8L
Certification CE
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T,L/C,D/A,D/P,Western Union,Paypal,,MoneyGram,Alipay Supply Ability 1000 pieces per month
Delivery Time 5 - 8 working days Packaging Details Cartoon
IP Rating IP67 Function Blanking
Sensing Distance 8m Material Aluminum Alloy
Feature Corrosion Resistant Power Voltage DC12-24V
Operating Temperature -20~60℃ Operating Current <50mA
Output No/Nc, COM Working Current <20mA@DC12V-24V
Specification 2000*21*15 mm Brand Name JUTAI
Model Number CL20-8L Certification CE
Place of Origin China
High Light Infrared safety sensor for roller shutters ，Roller shutter anti-pinch protection sensor ，IP67 safety light curtain for doors
 


Product Description



Infrared Safety Sensor Grid for Roller Shutter Doors with Anti-Pinch Protection

The JUTAI CL20-8L Infrared Safety Sensor Grid is a dedicated anti-pinch solution for roller shutter doors. It forms an 8-beam invisible protective grid between the emitter and receiver, instantly triggering door reversal or stopping when personnel, hands, or objects intrude the detection area. Designed with IP67 protection and rugged aluminum alloy housing, it delivers reliable performance in industrial, commercial, and warehouse environments.

Core Specifications (Parameter Table)

Parameter Specification
Model CL20-8L
Working Voltage DC12-24V
Working Current Transmitter: <65mA @DC12V; Receiver: <20mA @DC12V
Output Configuration 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
Maximum Protection Height 1729mm
Number of Photocells 8 beams
Cable Length Transmitter: 8m; Receiver: 4m
Connector Type Transmitter: 5-pole M8 male connector; Receiver: 4-pole M8 male connector
Operating Temperature -20°C ~ +60°C
Key Function Roller shutter door anti-pinch protection + Blanking Mode (anti-false alarm)
LED Status Indicators Transmitter: Steady blue (normal operation); Fast-flashing red (voltage <9V or >28V)

Receiver: Steady red (object/personnel blocked); Steady blue (no obstruction); Flashing blue (first power-on, misalignment)

Key Advantages (Clear Points)

1. Targeted Anti-Pinch Protection

  • Detects hands, limbs, or objects near roller shutter doors, triggering immediate door reversal to prevent pinching accidents.
  • 8-beam full coverage eliminates safety blind spots in door openings, adapting to common roller shutter door sizes.

2. Blanking Mode for False Alarm Prevention

  • Blocks the first channel without triggering safety responses, adapting to roller shutter door gap structures.
  • Avoids unnecessary interruptions during normal door closure while retaining protection against unintended intrusions.

3. Rugged & Environmentally Adaptable

  • IP67 protection resists dust, water splashes, and harsh industrial conditions, suitable for indoor/outdoor roller shutter doors.
  • Wide temperature range (-20°C ~ +60°C) ensures stable operation in cold storage, workshops, or outdoor settings.

4. Easy Installation & Operation

  • Color-coded wiring simplifies connection to roller shutter door control systems (details in Wiring Guide).
  • Intuitive LED indicators enable quick status checks without professional tools.
  • Adjustable mounting brackets fit various roller shutter door frame structures.

Wiring Guide (Standardized Table)

Component Wire Color Function Notes
Transmitter Red DC12-24V Positive Power Supply Connect to power supply positive terminal
Transmitter Black Ground (GND) Connect to power supply negative terminal
Transmitter Green/Yellow/White Reserve No connection required for basic use
Receiver Red DC12-24V Positive Power Supply Same as transmitter power connection
Receiver Black Ground (GND) Same as transmitter ground connection
Receiver Green NO/NC Output (Default NO) Connect to roller shutter door control system 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 the power supply positive terminal—this will damage the optical relay.

Blanking Mode Activation Steps

  1. Power on the sensor grid and confirm correct wiring.
  2. Within 1 minute of power-on, touch the receiver’s Green wire to its GND (Black wire) five times.
  3. Observe the receiver’s Red light blinking to confirm activation: Yellow wire switches to NC mode, and Blanking Mode is enabled.

Application Scenarios (Targeted List)

  • Industrial roller shutter doors (factories, warehouses, logistics centers)
  • Commercial roller shutter doors (retail stores, shopping malls, commercial buildings)
  • Cold storage roller shutter doors (refrigerated warehouses, freezer rooms)
  • Garage roller shutter doors (residential, commercial parking facilities)

Troubleshooting (Problem-Solution Table)

Fault Symptoms Possible Causes Solutions
Receiver’s blue light flashes (power-on) Emitter and receiver misalignment Readjust positions to ensure parallel alignment
Transmitter’s red light flashes fast Power supply voltage <9V or >28V Stabilize power supply to meet DC12-24V requirements
Sensor grid works, but door has no anti-pinch action Wiring error Recheck wiring against the guide; ensure correct connection to door control system
Unable to enter Blanking Mode 1. Light leakage during door descent

2. Bottommost beam blocked by debris

3. Door/obstruction fails to meet minimum continuous blocking distance		 1. Fix door sealing to prevent light leakage

2. Clear debris blocking the beam

3. Adjust door/obstruction to meet distance requirements

Usage & Maintenance Caveats (Key Reminders)

  • Keep connecting cables away from high-voltage/high-current conductors to avoid interference or damage.
  • Regularly wipe emitter/receiver lenses with a dry, soft cloth to remove dust, dirt, or condensation.
  • Do not bend, twist, or pull cables forcefully; avoid scratching infrared lenses.
  • Prevent direct sunlight or other infrared light sources from shining on the receiver (avoids false triggers).
  • Ensure the roller shutter door or obstruction used for Blanking Mode meets the minimum continuous blocking distance requirement.
For technical support, customization, or bulk inquiries, visit our official website: https://www.accesssecuritysolution.com/


 


Customer Success Stories

1. 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
 
2. 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
 
3. 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
 
4. 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
 
5. 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
 
6. 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
 
7. Automated Warehouse: AGV Navigation Safety
"JUTAI’s sensor improved AGV collision avoidance, reducing downtime by 25%."
— Kevin Liu, Logistics Director, Automated Storage Solutions Provider
 
8. 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






8-Beam 1.5m Safety Light Curtain Sensor


8-Beam 1.5m Safety Light Curtain Sensor













Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter

  • Year Established:

    2012

  • Total Annual:

    120000-150000

  • Employee Number:

    50~70

  • Ecer Certification：

    Verified Supplier

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...

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Get in touch with us

  • Reach Us
  • Shenzhen Jutai Comm Co., Ltd.
  • 5f, Xuxingda Industrial Park, Shiyan, Baoan, Shenzhen, Guangdong, China
  • https://www.accesssecuritysolution.com/

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