BEM1220‑A‑220NB Safety Light Curtain Infrared Light Screen Sensor Protection Device for Punching Machinery Item Type: Safety Light Screen Sensor Material: ABS+Aluminum Alloy Model: BEM1220-A-220NB Uses: Suitable for stamping machinery, shearing machinery, production line Working Voltage: 10-30V Number of Beams: 12 Beams Beam Spacing: 20mm / 0.8in Protection Height: 220mm / 8.7in Total Height of Light Curtain: 304mm / 12.0in Detection Distance: 0.3-2m / 1.0-6.6ft Protection Level: IP65 Protection Mode: Short Circuit Protection, Over Current Protection, Reverse Connection Protection Working Mode: Programming Synchronous Scanning Output Mode: NPN NC Intelligent Design: Automatically lock to a safe state in the event of a failure Features: Anti Interference