SICK Background Suppression Photoelectric Sensor, Block Style, 20 mm to 500 mm Detection Range, PNP Output WTB9M4-3P2411

SICK WTB9M4-3P2411 Background Suppression Photoelectric Sensor is a block style sensor with a sensing range from 20 mm to 500 mm, delivering reliable object detection with PNP output type at a maximum DC voltage of 30 V. It is housed in a robust plastic casing rated for IP66, IP67, and IP69K protection, suitable for industrial automation and control applications.

The sensor uses an infrared light source to accurately detect various materials such as methyl methacrylate and plastic, making it ideal for object presence verification, detection of transparent or shiny objects, and background suppression tasks. Its operational temperature range extends from -40°C to 60°C, accommodating demanding environmental conditions.

Featuring a quick response time of 500 microseconds and a maximum current of 100 mA, this sensor supports fast and precise automation processes. The device connects through a 4-pin M12 connector terminal ensuring a secure and standardized electrical interface.

The WTB9M4-3P2411 model is part of SICK’s W9 series known for durable VISTAL™ housings and SIRIC® technology that effectively mitigates optical and electromagnetic interference. The sensor’s design minimizes blind spots and maximizes detection reliability, even in challenging manufacturing environments.

Applications include detection of the smallest workpieces, protrusions, misalignments, verification through narrow openings, and operation within harsh industrial settings such as manufacturing, packaging, and quality control lines.

The sensor features a block style design optimized for background suppression detection. Equipped with a 4-pin M12 connector interface for reliable electrical connections. Utilizes infrared light source for detecting materials like methyl methacrylate and plastic.

Operates within wide temperature limits from -40°C to 60°C ensuring flexibility in harsh conditions. Compact plastic housing provides durable protection against mechanical and environmental impacts. Response time of 500 microseconds supports high-speed automation processes.

Certified to CE and UL standards for safety and compliance. Designed for applications including detection of small objects, transparent items, and operation in challenging backgrounds. Incorporates advanced SIRIC technology to suppress optical and electromagnetic interference.

This sensor is a reliable choice for industrial automation requiring precise background suppression and robust operation. Explore more options in our Electronics & Electricals Sensors category to complement your automation solutions.