The SICK VL18‑4P3440 (6013587) is a compact, high-performance retro-reflective photoelectric sensor with polarized optics, ideal for reliable object detection up to 3 m using a reflector. Featuring an adjustable potentiometer and selectable light/dark switching, it delivers robust sensing even in demanding industrial environments.

Key Features

Model & Part No: VL18‑4P3440 / 6013587
Sensing Principle: Polarized retro-reflective (uses reflector C110A)
Detection Range: 0.05 m to 3 m (typical), up to 3.7 m max
Housing: Cylindrical M18 × 75 mm nickel‑plated brass; optics radial orientation; IP67 sealed
Optical Specs: Red LED, beam dispersion ~2.8°, spot Ø 150 mm @ 3 m
Adjustment: 270° potentiometer for sensitivity control; includes yellow signal strength LED
Electrical: 10–30 V DC supply; max 100 mA current draw
Output: PNP, light/dark switching; up to 250 Hz switching frequency; ≤2 ms response time
Protection Features: Reverse‑polarity, overload, short‑circuit, and EMC protection
Durability: 120 g; operating temperature –25 °C to +70 °C; compliant with IEC vibration/shock
Connection: 4‑pin M12 male connector; integrated cable option
Certifications: UL, CE, China-RoHS, cRUus

SICK – VL18-4P3440 (6013587) – M18 Retro-Reflective Photoelectric Sensor, PNP

SICK – VL18-4P3440 (6013587) – M18 Retro-Reflective Photoelectric Sensor, PNP