SICK WT12L-2B550 Photoelectric Sensor (1017904)

WT12L-2B550 – The SICK WT12L-2B550 is a high-performance photoelectric laser sensor engineered for precise short-range detection with background suppression. It features an ultra-small 0.2 mm light spot at 100 mm and rapid response times, making it ideal for fast-moving and small object detection.

This model comes pre-equipped with two BEF-KH-W12 mounting clamps, making installation fast and repeatable.

Technical Specifications

• Model: WT12L-2B550
• Part Number: 1017904
• Series: W12
• Sensor Type: Photoelectric proximity sensor
• Mounting Style: Rectangular body with axial M12 connector
• Light Source: Class 2 red laser, 650 nm
• Included Accessories: 2 × BEF-KH-W12 mounting clamps with screws (Part No. 2013285)

Performance Parameters

• Functional Principle: Background suppression
• Sensing Range (min–max): 30 mm – 200 mm
• Spot Size at 100 mm: Ø 0.2 mm
• Focus Position: 100 mm
• Laser Class: Class 2 (EN 60825-1 / IEC 60825-1)
• Wave Length: 650 nm
• Adjustment: Potentiometer
• Special Features:
  • Detection of extremely small objects
  • High-speed detection
  • Sharp-focused spot for precise positioning

Electronics

• Supply Voltage: 10–30 V DC
• Ripple: < 5 Vpp
• Current Consumption: 55 mA
• Output Type:
  • PNP/NPN (selectable)
  • Light switching or dark switching (selectable via L/D control line)
• Output Current: ≤ 100 mA
• Signal Level:
  • PNP HIGH/LOW: Uv – < 2 V / 0–1.5 V
  • NPN HIGH/LOW: Uv – < 2 V / 0–1.5 V
• Response Time: ≤ 200 µs
• Switching Frequency: 2,500 Hz
• Protection Circuitry:
  • A: Short-circuit protection
  • C: Reverse polarity protection
  • D: Power-up pulse suppression
• Protection Class: III

Mechanical Data

• Dimensions (W x H x D): 15 mm x 49 mm x 41.5 mm
• Housing Material: Metal
• Optics Cover: PMMA plastic
• Weight: 130 g
• Connection Type: M12 male connector, 5-pin

Function & Application

Purpose:
The WT12L-2B550 SICK is designed for precision tasks where compact size, tight beam control, and fast response are essential. It excels at detecting small, fast-moving items, such as components on production lines or positioning parts during assembly.

Typical Applications:

• PCB or component placement detection
• Presence detection in high-speed automation
• Small part detection in packaging or bottling
• Conveyor edge or position feedback tasks

Compliance & Classification

• Conformity: CE, cULUS listed
• Laser Compliance: Class 2 laser safety
• SICK Technology: SIRIC – advanced signal processing for ambient immunity

Key Features & Benefits:

✅ Ultra-Fine Beam: Pinpoint laser detection (Ø 0.2 mm) at 100 mm – perfect for tiny object recognition.

✅ High-Speed Switching: Delivers lightning-fast 200 µs response and up to 2.5 kHz switching frequency.

✅ Flexible Logic Selection: Selectable light/dark switching and PNP/NPN output in a single device.

✅ Rugged Metal Housing: Reliable operation even in tough industrial environments.

✅ Ready to Mount: Supplied with factory-matched clamps (BEF-KH-W12) for instant fitment and alignment.

📦 Order Today for Fast UK & Europe Delivery!

This sensor is available from Drive Outlet Megastore – we offer unbeatable WT12L-2B550 prices, with next-day delivery across the UK and Europe.

Need matching cabling or help configuring the potentiometer settings?

Contact our applications team for support with custom sensor setups or replacements.

Choose the WT12L-2B550 when you need laser-precise, fast, and reliable detection in space-constrained sensing applications.