Specification: Part Number 1028072 Signal voltage NPN HIGH / LOW: Approx. VS / < 2.5 V UL File No.: NRKH.E181493 & NRKH7.E181493 Angle of dispersion: Ca. 1.5 ° Ambient operating temperature: -40 °C ... 60 °C Sensor/detection principle: Through-beam photoelectric sensor Switching frequency: 1,000 Hz Housing design (light emission): Rectangular Part number of individual components: Receiver, WE27-3N2430, 2033766, Sender, WS27-3D2430, 2033560 Ambient storage temperature: -40 °C ... 75 °C Optics material: PMMA Weight: 200 g Output function: Complementary Housing material: ABS, Plastic Output current Imax.: ≤ 100 mA Sensing range: 0 m ... 25 m Type of light: Visible red light Response time: ≤ 500 µs Dimensions (W x H x D): 24.6 mm x 80.6 mm x 54 mm Enclosure rating: IP 69K Connection type: Connector M12, 4-pin Switching mode: Light/dark switching Power consumption, receiver: 20 mA Supply voltage: 10 V DC ... 30 V DC Protection class: II Test input sender off: TE to VS Wave length: 645 nm Circuit protection: A, B, C Sensing range max.: 0 m ... 35 m Switching output: NPN Angle of reception: Ca. 3 ° Light source: LED Power consumption, sender: 35 mA Light spot size (distance): Ø 600 mm (25 m)