Oumefar DC 10-30V NPN/NC Light Curtain Sensor Switch Safety Light Grating Security Device 0.3-2M for Forging Machine Tools(BEM1240-C-440NB) Optional Types : Users can choose the ideal sizes or types of five of our light sensor switch, the five are 4 beams/6 beams/8 beams/10 beams/12 beams (corresponding to the model selection), which provides multiple choices for users Material : This NPC/NC 0.3-2M light grating sensor switch adopts high quality aluminum alloy material, which is for using, and our light grating security device has long service life Excellent Features : Our DC 10-30V light grating security device possesses wonderful features of fast response, and this light sensor switch also has shock and strong anti-interference, which can avoid quality problems Specification: Condition: Brand new Output Method: NPN/NC Working Input Voltage: 10-30VDC Light Curtain Type: on the Type A Series: Relay wiring method Number of Beams: 4 beams / 6 beams / 8 beams / 10 beams / 12 beams (corresponding to the model selection) Optical Shaft Spacing: 40mm Effective Height: 120/200/280/360/440mm (corresponding are available) Detection Distance: 0.3-2 Meters Length of Each Cable: 2.15 Meters (2pcs) Response Time: ≤10ms Housing Material: Aluminum Alloy level: IP-65 Insulation: Greater than 10MΩ Product Color: Yellow Size(optional): Approx. 195 x 29.8 x 18.5mm / 7.7 x 1.2 x 0.7in 275 x 29.8 x 18.5mm / 10.8 x 1.2 x 0.7in 355 x 29.8 x 18.5mm / 14 x 1.2 x 0.7in 435 x 29.8 x 18.5mm / 17.1 x 1.2 x 0.7in 515 x 29.8 x 18.5mm / 20.3 x 1.2 x 0.7in Optional Style: 4 Beams BEM0440-C-120NB, 6 Beams BEM0640-C-200NB, 8 Beams BEM0840-C-280NB, 10 Beams BEM1040-C-360NB, 12 Beams BEM1240-C-440NB Package List: 1 Bag of Screws 2 x Black Connecting Cable 2 x Yellow Light Gratings 1 x English User Manual