Sick WT12-B5781S29 Photoelectric Contrast Proximity Sensor, 10-30VDC

High‑precision Sick contrast sensor designed for detecting printed marks, label edges, and contrast changes in fast industrial automation applications. The WT12‑B5781S29 features a compact housing, red LED emitter, and a 5‑pin connector. Item is new, supplied without manufacturer packaging. Technical Specifications Manufacturer: Sick Part Number: WT12‑B5781S29 Additional PN: 1012714 Sensor Type: Photoelectric contrast / proximity sensor Operating Voltage: 10–30 VDC Output Current: 100 mA Output Type: NPN (B‑series) transistor switching output Connection Type: 5‑pin connector Light Source: LED (visible through red‑tinted lens) Sensing Mode: Contrast / diffuse reflective Housing Material: Blue industrial polymer Housing Style: Compact rectangular block sensor Mounting: Dual side mounting holes Optical Window: Large front red‑tinted lens panel Indicator: LED status indicator on housing Protection Rating: Typical WT12 series IP65/IP67 Operating Temperature: Approx. -25…+55 °C (WT12 series standard) Application: Mark sensing, print registration, contrast detection, packaging equipment Condition: New Country of Manufacture: Germany Approximate Dimensions: ~50 mm × 40 mm × 20 mm