Sick WT12-B5281 Photoelectric Contrast Proximity Sensor, 10-30VDC

High‑quality Sick photoelectric contrast sensor designed for detecting printed marks and contrast variations on moving materials. The WT12‑B5281 offers reliable switching performance, a compact housing, and a red‑tinted optical window for precise contrast detection. Technical Specifications Manufacturer: Sick Model: WT12‑B5281 Sensor Type: Photoelectric contrast / proximity sensor Operating Voltage: 10–30 VDC Output Type: NPN (B‑series) Output Current: 100 mA Connection Type: 4‑pin connector Housing Material: Blue industrial polymer Housing Style: Compact rectangular block Optical Window: Red‑tinted front lens Mounting: Dual threaded mounting holes Indicator: LED status indicator on housing Protection Rating: Typical WT12/IP65–IP67 class Operating Temperature: Approx. -25…+55 °C (WT12 series standard) Application: Contrast detection, mark sensing, label registration, packaging automation Condition: New (with original Sick box) Country of Manufacture: Germany Approximate Dimensions: ~50 mm × 40 mm × 20 mm