The JUTAI CL20-8L Rugged Safety Light Curtain is a specialized protective sensing device engineered to thrive in harsh conditions—with a focus on cold room doors and demanding industrial environments. By forming an invisible 8-beam light grid between its emitter and receiver, it instantly triggers safety responses (such as door reversal or stopping) when people, objects, or equipment intrude, effectively preventing pinching, crushing, or collision accidents in low-temperature, dusty, or high-humidity settings.
Built with a sealed aluminum alloy shell and IP67 waterproof/dustproof certification, this light curtain resists the unique challenges of cold rooms and industrial sites—from freezing temperatures and condensation to heavy dust and mechanical wear. Its robust design and reliable performance make it an indispensable safety component for cold storage facilities, factories, warehouses, and other industrial spaces requiring uncompromising protection.
Certified IP67 waterproof and dustproof, the light curtain features a hermetically sealed aluminum alloy housing. It withstands water immersion, dust accumulation, and industrial contaminants, maintaining stable performance in humid cold rooms, dusty factories, or outdoor-installed industrial doors.
Operating reliably within a temperature range of -20°C to +60°C, the product excels in cold room environments. It resists condensation and freezing, ensuring consistent detection performance without downtime—critical for cold storage door safety where temperature fluctuations and low temperatures are common.
Equipped with a specialized Blanking function (blocking the first channel won’t trigger safety responses), it’s optimized for cold room doors and industrial door gaps. This mode avoids false alarms during normal door closure while retaining full protection against unintended intrusions.
With 8 photocells and a maximum protection height of 1729mm, the light curtain covers wide cold room doors and industrial door openings comprehensively. Its sensitive detection design identifies people, tools, or goods accurately, eliminating safety blind spots in high-traffic industrial environments.
Crafted from high-quality aluminum alloy, the light curtain withstands mechanical impacts, vibration, and long-term use in industrial settings. It resists scratches, corrosion, and damage from forklifts or equipment—ensuring longevity in busy cold storage facilities and factories.
Clear LED indicators on both emitter and receiver provide real-time operational feedback, simplifying troubleshooting in low-visibility cold rooms or noisy industrial sites:
- Transmitter: Steady blue light (normal operation), fast-flashing red light (voltage irregularity: <9V or >28V).
- Receiver: Steady red light (beam blocked/intrusion detected), steady blue light (no obstruction), flashing blue light (alignment required after first power-on).
Features standard connectors (transmitter: 5-pole M8 male; receiver: 4-pole M8 male) and adjustable mounting brackets for straightforward installation on cold room door frames and industrial structures. Color-coded cables (red for DC12-24V positive, black for ground, green for NO/NC output) streamline wiring, ensuring compatibility with most door control systems.
- Cold Room Doors: Anti-pinch and intrusion protection for cold storage facility doors, freezer room entrances, and refrigerated warehouse doors—safeguarding personnel and preventing door closure on equipment.
- Industrial Factory Doors: Safety monitoring for high-speed doors, roller shutter doors, and sectional industrial doors in dusty, humid, or vibration-prone factory environments.
- Warehouse Industrial Doors: Protection for busy warehouse entrances, loading dock doors, and utility doors where forklifts and personnel move frequently.
- Specialized Industrial Environments: Suitable for food processing plants, pharmaceutical facilities, and automotive manufacturing sites requiring rugged safety sensors.
- Keep connecting cables away from high-voltage conductors, forklift paths, and industrial machinery to avoid damage.
- Regularly wipe the emitter and receiver lenses with a dry, soft cloth to remove cold room condensation, dust, or industrial grime—ensuring consistent detection.
- Do not bend or twist the light curtain or cables, and avoid direct sunlight or infrared light sources shining on the receiver.
- In cold rooms, ensure the light curtain is installed away from direct contact with ice or frost to prevent lens damage.
- Avoid scratching the infrared lenses, as this can impair detection performance in low-visibility environments.
- IP67 Ruggedness: Built to withstand cold room conditions, dust, water, and industrial wear—ensuring reliable performance in harsh environments.
- Cold Room Adaptability: Operates seamlessly from -20°C to +60°C, resisting condensation and freezing for uninterrupted safety.
- Practical Blanking Mode: Prevents false alarms during normal door operation, balancing safety and operational efficiency in busy industrial settings.
- Durable Construction: Aluminum alloy housing withstands mechanical impacts and long-term use, reducing replacement costs.
- Easy Deployment: Simple installation and intuitive status monitoring, minimizing downtime for cold storage facilities and factories.
BurookHi Norman... I just remembered i didn't let u know.... everything worked out we made both the wired and the remot control opening work... they loved the item (assuming it will hold its own for the next 10 years or so)
KiranYes I don’t doubt you. Jutai is one of the most confident companies I came across in China
