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China-based manufacturer of Safety Light Curtains & Machine Safety Sensors

One-Stop Machine Safety OEM/ODM
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NST6840 beam space 40mm

NST6840 beam space 40mm

The NST6840 is a long-range 40mm resolution safety light curtain with an 800mm detection capability. Its IP66 rating ensures durability for perimeter guarding and access control on large industrial machinery, robotic cells, and automated manufacturing systems.

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Product Detection / Measuring light curtain
model no. NST6840
Power supply DC12V~30V
Capacity <5W
Detection precision 40mm
Beam space 40mm
Beams 68
Detection height(mm) 2680
Total height(mm) 2765
Sensing distance 40mm space: 0.1~20m
Wave length 940nm
Output signal Switch quantity:NPN,PNP
Analog quantity:0-5V,0-10V,4-20mA
Anti-opticalinterference 10000Lux(angle>5°)
Communication method Rs485,Rs232                                                                                                                                                                                                                                               Baud rate:9600bps,19200bps,38400bps,57600bps,115200bps                                                                                                                                                                             Protocol: Modbus-RTU
Data mode:active mode/ passive mode
Sensing method Through-beam type
Synchronization Wire synchronization
Enclosure material Aluminum alloy
Enclosure rating IP65
Sectional size

Ambient operating humidity

35.8*45mm
Ambient operating temperature -10°C~55°C(with no freezing)
Storage temperature -30°C~70°C(with no freezing)
Ambient operating humidity When temperature is20°C,humidity max 85%

MOQ & Customization

Flexible MOQs for pilot and scale orders. OEM/ODM with absorbency grades (Light/Moderate/Heavy), sizes, and private-label packaging; GS1/UPC ready.

Delivery Cycle & Support

3-day rapid sampling and 98.6% on-time delivery. Dedicated engineers, COA & compliance docs (FDA/CE/MDSAP), and training to speed your launch.

Quality & Certifications

ISO 13485–certified manufacturing with EN 13799:2019 absorption standards and OEKO-TEX® materials. Full traceability and 0 product recalls.