SICK WTB8L-P2131 Photoelectric Proximity Sensor (6033219)

The SICK WTB8L-P2131 is a compact photoelectric proximity sensor with laser-based background suppression, engineered for highly precise detection of small or fast-moving objects, even in environments with reflective backgrounds.

Equipped with a Class 1 red laser, a slim housing, and fast response time, it’s ideal for automation setups where space, speed, and accuracy are critical.

Technical Specifications

Model: WTB8L-P2131 SICK
SICK Part Number: 6033219
Product Type: Photoelectric proximity sensor
Application: High-precision object detection with background suppression
Sensing Range: 40 mm to 300 mm (max. 30 mm to 300 mm)
Adjustment: 4-turn potentiometer
Focus Angle: Background suppression
Light Type: Visible red laser
Light Source: Laser Class 1 (650 nm)
Light Spot Size: Ø 1.5 mm at 300 mm
Housing Style: Rectangular with front-facing optics
Functional Principle: Laser proximity sensing with background suppression

Electrical Interface

Supply Voltage: 10 V DC to 30 V DC
Ripple: ±10%
Current Consumption: 30 mA (typical)
Switching Output Type: PNP
Switching Mode: Light/dark switching (selectable via rotary switch)
Output Current Max.: ≤ 100 mA
Response Time: ≤ 0.25 ms
Switching Frequency: 2,000 Hz
Signal Voltage PNP HIGH/LOW: Approx. VS – 1.8 V / 0 V
Connection Type: M8 connector, 3-pin
Circuit Protection:

• A: Short-circuit protected
• B: Reverse polarity protected
• D: Power-up pulse suppression
  Protection Class: III

Mechanical Data

Enclosure Rating: IP67
Housing Material: Plastic (ABS)
Optics Material: Plastic (PMMA)
Dimensions (W x H x D): 11 mm x 31 mm x 20 mm
Weight: 10 g
Mounting: Includes stainless steel bracket BEF-W100-A (Part No. 5311520)

Safety-Related Data

MTTFD (Mean Time to Dangerous Failure): Not specified
DCavg: Not specified
Mission Time (TM): Not specified

Ambient Conditions

Operating Temperature: –10 °C to +50 °C
Storage Temperature: –40 °C to +70 °C

Certificates and Compliance

• European Conformity (CE)
• cURus Listed
• Compliant with EN 60825-1:2014 (Laser Class 1)

Applications

Ideal For:

• High-speed part counting
• Presence detection in compact machines
• Assembly line quality control
• Sorting systems with reflective backgrounds

Key Features & Benefits

✅ Background Suppression: Reliable detection regardless of shiny or varying backdrops.

✅ Laser Accuracy: Crisp 1.5 mm red spot at 300 mm enables small-object detection.

✅ Ultra-Fast Response: 0.25 ms switching and 2 kHz frequency for real-time tasks.

✅ Compact Format: Slim 11 mm width fits easily into tight automation layouts.

✅ Ready-to-Install: Comes complete with durable stainless steel bracket.

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At Drive Outlet Megastore, we offer unbeatable SICK WTB8L-P2131 prices and fast fulfillment.

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Small sensor. Big performance — from SICK and Drive Outlet Megastore.