WTB8-P1131 SICK Miniature Photoelectric Sensor Compact Housing 20mm Detection Range Blue Light
The SICK WTB8-P1131 is a high-performance photoelectric sensor engineered for precision detection and measurement in industrial automation environments. Featuring a robust plastic housing and NPN/PNP output configuration, this device delivers reliable performance with exceptional accuracy across demanding manufacturing, logistics, and quality control applications.
Designed for seamless integration into automated production lines, the WTB8-P1131 excels in object detection, position sensing, and material handling systems. Its industrial-grade construction ensures consistent operation under harsh environmental conditions including dust, vibration, and temperature variations commonly encountered in factory floor deployments.
Product Images


| Parameter | Specification |
|---|---|
| Model | WTB8-P1131 |
| Brand | SICK |
| Sensor Type | Photoelectric Sensor |
| Housing Material | Plastic |
| Output Type | NPN/PNP |
| Detection Range | 20m |
| Operating Voltage | 10-30V DC |
| Connection Type | M12 Connector / Cable |
| Protection Rating | IP67 |
| Operating Temperature | -25°C to +55°C |
Q: Is this product covered by warranty?
A: Yes, all SICK industrial sensors come with a 1-year warranty covering manufacturing defects and normal operational failures.
Q: Can this sensor be integrated with existing automation systems?
A: Yes, the WTB8-P1131 features standard industrial interfaces and output configurations compatible with most PLC and automation controllers. Please provide your system specifications for compatibility verification.
Q: How quickly can I receive technical support?
A: Our customer service team provides rapid response to all inquiries. Technical questions are typically answered within hours during business days.
Q: What is the shipping time for this product?
A: We offer dispatch within 7 days for in-stock items. Products are carefully packaged with anti-static and shock-proof materials for safe delivery.
SICK Miniature Photoelectric Sensor
,WTB8-P1131
,20mm Detection Range SICK Photoelectric Sensor
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