SICK WTB4FP-213111A0ZZZ Proximity Sensor (1125747)

The SICK WTB4FP-213111A0ZZZ is a high-precision photoelectric proximity sensor with fixed background suppression and integrated MultiPulse technology for enhanced monitoring and stability. Designed for close-range detection of very small objects, it is ideal for integration into SICK’s Safeguard Detector safety system or standalone use in tight automation environments.

Compact, fast, and robust, this sensor ensures reliable object detection with a minimal footprint and industrial-grade durability.

Technical Specifications

Model: WTB4FP-213111A0ZZZ SICK
SICK Part Number: 1125747
Product Type: Photoelectric proximity sensor
Application: Short-range detection with self-monitoring capability
Sensing Range: 30 mm to 100 mm (fixed)
Reference Object: 90% remission (standard white per DIN 5033)
Minimum Background Distance: 30 mm at 100 mm (6%/90% contrast)
Adjustment: None (pre-set)
Light Type: Visible red light
Light Source: PinPoint LED (635 nm)
Light Spot Size: Ø 4.2 mm at 130 mm
Smallest Detectable Object: 0.2 mm (at 130 mm, white 90%)
Focus Angle: < ±1.5° squint angle
Special Features:

• MultiPulse: integrated self-monitoring
• Designed for use with Safeguard Detector system

Electrical Interface

Supply Voltage: 10 V DC to 30 V DC
Ripple: ≤ 5 Vpp
Current Consumption: ≤ 25 mA (no load @ 24 V)
Output Type: Push-pull (PNP/NPN)
Number of Outputs: 1
Signal Voltage PNP HIGH/LOW: Approx. UB – 2.5 V / 0 V
Signal Voltage NPN HIGH/LOW: Approx. UB / < 2.5 V
Output Current Max.: ≤ 100 mA
Response Time: ≤ 0.5 s
Repeatability: 150 µs
Switching Frequency: 10 Hz
Connection Type: M8 connector, 3-pin
Output Behavior (Pin 4): Oscillating signal (10 Hz) indicates object present
Circuit Protection:

• Reverse polarity protected
• Overcurrent and short-circuit protected
  Protection Class: III

Mechanical Data

Enclosure Rating: Not explicitly stated (W4 series typically IP67)
Housing Style: Rectangular, flat
Dimensions (W x H x D): 16 mm x 40.1 mm x 12.1 mm
Housing Material: Plastic (VISTAL®)
Front Screen: Plastic (PMMA)
Connector Material: Plastic (VISTAL®)
Weight: Approx. 30 g
Max Torque (Fixing Screws): 0.4 Nm

Safety-Related Data

MTTFD (Mean Time to Dangerous Failure): 663 years
DCavg: 0%
Mission Time (TM): 20 years

Ambient Conditions

Operating Temperature: Not specified (typically –25 °C to +55 °C for W4 series)
Storage Temperature: Not specified

Certificates and Compliance

• European Conformity (CE)
• Compatible with Safeguard Detector safety system
• SICK MultiPulse & PinPoint Technology
• RoHS compliant (upon request)

Applications

Ideal For:

• Integration with SICK Safeguard Detector systems
• Small-part detection in assembly and packaging lines
• Electronics manufacturing
• Compact machine designs with fixed-range sensing needs

Key Features & Benefits

✅ Fixed Background Suppression: Stable detection from 30–100 mm without adjustment.

✅ Tiny Object Detection: Detects objects as small as 0.2 mm.

✅ MultiPulse Technology: Integrated monitoring increases system reliability.

✅ Compact Form Factor: Only 16 mm wide — perfect for space-restricted installations.

✅ Versatile Output: Push-pull logic with PNP/NPN support.

📦 Order Today for Fast UK & Europe Delivery!

Drive Outlet Megastore offer unbeatable SICK WTB4FP-213111A0ZZZ prices, with fast dispatch and full support for Safeguard-compatible systems.

Need help integrating it into your safety solution? Talk to our team now.

Small sensor. Smart protection — with SICK and Drive Outlet Megastore.