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Need the Right Safety Light Curtain for Your Machine?

Tell us your machine type and protection requirements. Our engineering team will help you select a suitable safety light curtain, sensor, or safety lidar for your project.

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  • Standard and custom safety light curtain projects
  • OEM, integration, distribution, and factory upgrade needs
  • Product selection based on machine layout, sensing range, output, and environment
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Industrial Safety Light Curtain with 40mm Resolution IP65

Built for standard industrial environments, this infrared safety light curtain offers 40 beams, 40mm resolution and 1560mm protection height, ≤15ms response, IP65 rating, DC24V supply, PNP outputs, aluminum housing, acrylic front lens and auto reset.

Product
wdt_ID wdt_created_by wdt_created_at wdt_last_edited_by wdt_last_edited_at Product Value
35 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Product model machine safety light curtains NEG4040
36 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Standard configuration One receiver, one transmitter, two data lines, one right-angle rack, and one t-shaped screw
37 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Light curtain source Infrared radition type
38 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Application Standard industrial environment
39 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Features
40 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Number of beams 40
41 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Resolution 40mm
42 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Protect Height 1560mm
43 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Overall Height 1635mm
44 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Cross-section size 30mm*26mm
45 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Response time ≤15ms
46 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Synchronization Line synchronization
47 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Output mode 2-circuit of PNP, with current of 500mA and voltage below 1.5V, polarity, short circuit and over-cutting protection
48 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Output status ON (receiving indicator green light)
49 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Indicator light Transmitter: power indicator light (red); receiver: output indicato「light on (green), blackout (red)
50 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Wavelength 940NM
51 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Type of light Infrared light (NIR), invisible
52 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Function Automatic reset
53 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Mechanical data
54 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Housing material Metal
55 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Metal shell Aluminium
56 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Lens front screen material Acrylic
57 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Upper and lower cover materials ABS reinforced nylon PA66+30% GF
58 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Performance data
59 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Protection circuit Short circuit protection Overvoltage protection
60 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Supply voltage DC24V, -20…20%
61 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Output Current 500MA(NPN/PNP)
62 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Fuse 150mA
63 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Maximum residual current 0.2mA
64 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Environmental data
65 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Protection grade IP65
66 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Anti-optical interference 10000Lux(angle>5°)
67 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Operating Temperatuer -10°C ~55°C
68 afetycurtainadministrator-Michelle 22/05/2026 08:26 AM afetycurtainadministrator-Michelle 22/05/2026 08:26 AM Operating Humidity 0~95%RH
Model

NEG4040
Number of Beams

40
Beam Space

40mm
Protect Height

1560mm
Total Height

1635mm

Wiring Diagram

Use the wiring diagram below to connect the safety light curtain emitter and receiver correctly. The sensor supports different output types, including NPN/NC and PNP/NC, depending on the selected model.

Wire Connection

Wire ColorFunctionDescription
BrownVCCDC24V power supply
BlueGND0V power ground
BlackOSSD1Safety output 1
GreyOSSD2Safety output 2
YellowPEProtective earth connection
WhiteCPCommunication / synchronization line

NPN Output Wiring

For NPN models, connect OSSD1 Black and OSSD2 Grey according to the NPN/NC wiring diagram. Ensure the load and control circuit are compatible with NPN output signals.

PNP Output Wiring

For PNP models, connect OSSD1 Black and OSSD2 Grey according to the PNP/NC wiring diagram. Ensure the load and control circuit are compatible with PNP output signals.

Installation Notes

Before wiring, disconnect the power supply and confirm the output type of the safety light curtain. Use a stable DC24V power supply and follow the wiring diagram carefully to ensure safe and reliable operation. Wiring should be completed by qualified personnel.

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