SICK WL12G-3B2531 Retro-Reflective Sensor (1041456)

The SICK WL12G-3B2531 is a rugged, high-performance retro-reflective photoelectric sensor built for reliable object detection across a wide range of industrial automation environments. Featuring advanced PinPoint LED technology and strong ambient light immunity, it offers precise, fast, and dependable performance even in challenging conditions.

Technical Specifications

Model: WL12G-3B2531
Part No.: SICK 1041456
Product Type: Retro-Reflective Photoelectric Sensor
Sensing Principle: Retro-reflective with polarization filter
Light Source: PinPoint LED, visible red light
Sensing Range: 0.05 m to 7 m (with suitable reflector)
Adjustment: 5-turn potentiometer for sensitivity tuning
Output Type: NPN, Light/dark switching
Switching Frequency: 1,000 Hz
Response Time: ≤ 500 µs
Hysteresis: 3% to 15% of sensing range

Electrical Interface

Supply Voltage: 10 V DC to 30 V DC (Ripple ±10 %)
Power Consumption: ≤ 30 mA
Switching Output: NPN, short-circuit protected
Connection Type: 4-pin, M12 connector
Signal Type: Digital switching output (binary)
Protection Class: III (according to IEC 61140)

Mechanical Data

Enclosure Rating: IP67, IP69K
Housing Material: ABS plastic, reinforced for industrial environments
Lens Material: PMMA (acrylic glass)
Dimensions (W x H x D): 15 mm x 49 mm x 41.5 mm
Weight: Approx. 100 g
Mounting: Through-hole mounting with M3 screws

Safety-Related Data

Short-Circuit Protection: Yes
Reverse Polarity Protection: Yes
Overvoltage Protection: Yes
Electromagnetic Compatibility (EMC): EN 60947-5-2 compliant

Ambient Conditions

Operating Temperature: -25 °C to +55 °C (-13 °F to 131 °F)
Storage Temperature: -40 °C to +75 °C (-40 °F to 167 °F)
Ambient Light Immunity: 5,000 Lux (incandescent light)
Resistance to Shock: 30 g, 11 ms (IEC 60068-2-27)
Resistance to Vibration: 10 g, 10 Hz–55 Hz (IEC 60068-2-6)

Certificates and Compliance

• European Conformity (CE)
• United Kingdom Conformity Assessed (UKCA)
• RoHS Compliance
• cULus Listed (UL 508)

Applications

Ideal For:

• Object detection in conveyor and packaging lines
• Machine automation and part detection
• Pallet and load presence sensing
• Industrial door and gate automation
• Harsh environment installations needing strong light immunity

Key Features & Benefits

✅ Extended Detection Range: Up to 7 meters with reliable retro-reflective performance.

✅ High-Speed Switching: 1,000 Hz switching frequency for fast industrial operations.

✅ Bright PinPoint LED: Enables easy sensor alignment and setup.

✅ Rugged and Durable: IP67/IP69K-rated housing for challenging environments.

✅ Flexible Integration: NPN output and industry-standard M12 connector for simple wiring.

📦 Order Today for Fast UK & Europe Delivery!

At Drive Outlet Megastore, we deliver top-quality SICK WL12G-3B2531 sensors at competitive prices with fast shipping across the UK and Europe.

Need expert advice or help configuring your sensors? Contact our technical support team today!

Detect confidently — with SICK and Drive Outlet Megastore.