1、The safety light curtain sensor complies with the IEC61496‑1/2 standard, with high safety. 2、Using infrared scanning technology, with excellent optical performance, control potentially dangerous mechanical equipment. 3、With a divergence angle of 2.5°, it is easy to align and maintain, and the light detection is fast and accurate. 4、The shell is made of aluminum alloy, which is strong and lightweight, and has cold‑rolled steel grooved slide rails for easy installation. 5、Commonly used in stamping machinery, automated welding lines, mechanical transmission and handling equipment, hazardous areas, etc. Item Type: Safety Light Curtain Material: Aluminum alloy Model: TOSD04D-40-NK Detection Distance: Approx. 0.3-3meter / 1-9.8ft Operating Voltage: DC10-30V Rated Current: 200mA Optical Axes Number: 4 Optical Axes Spacing: Approx. 4cm / 1.6in Output Mode: NPN normally open Response Time: ≤30ms Anti-Light Interference: Ambient Light: Maximum 10000Lx Incandescent Lamp: 3000Lx Ambient Temperature: Working: -10-+55℃ (under non-icing state) Storage: -30-+80℃ (under non-icing state) Appearance Size: Approx. 30 x 30mm / 1.2 x 1.2in Slide Rail Size: Approx. 46 x 33 x 6mm / 1.8 x 1.3 x 0.2in Uses: Widely used in the mechanical processing industry and the safety of machinery and equipment, the life safety of operators and the safety of objects. 2 x Sensors 1 x 3-Core Cable 1 x 4-Core Cable 4 x Brackets 4 x Screws 4 x Metal Gaskets 1 x User Manual