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WTB4SC-3P2232A00

The SICK WTB4SC-3P2232A00 is a compact and cost-effective ultrasonic sensor from the WTB4 series, designed for basic and reliable object detection tasks. This model represents the most fundamental variant in the series, offering a simple switching function without advanced configurability.

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Key Parameters
Parameter Specification
General
Product Type Ultrasonic Sensor
Order Code WTB4SC-3P2232A00
Functional Principle Ultrasonic (Pulse Ranging)
Sensing Range 40 mm ... 250 mm
Dead Band 0 mm ... 40 mm
Reference Target 100 x 100 mm square plate
Beam Angle ≈ 10°
Response Time 80 ms
Switching Frequency 10 Hz
Electrical Data
Operating Voltage 10 ... 30 V DC
Current Consumption ≤ 35 mA (no load)
Outputs
Switching Output 1 x NPN, Normally Open (NO)
Fixed function, not configurable to PNP or NC. No analog output.
Short-circuit Protection Yes
Reverse Polarity Protection Yes
Connection
Connector Type 3-pin M12 connector, straight
Pin Assignment Pin 1: +Vs (Supply Voltage), Pin 2: Output, Pin 3: 0V (GND)
Mechanical Data
Housing Material Plastic (PBT)
Face Material Plastic (PUR)
Protection Rating IP67 (Dust-tight and protected against temporary immersion)
Mounting Two M18 x 1 mounting threads
Weight Approx. 30 g
Environmental Conditions
Operating Temperature -25 °C ... +70 °C
Storage Temperature -40 °C ... +85 °C
Ambient Light Immunity Yes, immune to all ambient light
Features & Configuration
Programming/Teaching Via teach-in button only.
This model does not have IO-Link functionality.
Status Indication LED (Power / Status)
Application Simple presence/absence detection, end position detection, and object counting. Ideal for detecting transparent or dark objects in challenging environments.