SICK Background Suppression Photoelectric Sensor Block Sensor 20 mm to 350 mm, NPN Output, IP66 IP67 IP69K WTB12-3N2431

SICK WTB12-3N2431 Background Suppression Photoelectric Sensor is a highly reliable block sensor designed for demanding industrial applications. It features a wide detection range from 20 mm to 350 mm and uses a red light source for high precision in detecting objects while suppressing background interference. Housed in a rugged die-cast zinc metal case, the sensor is protected against ingress with IP66, IP67, and IP69K ratings, making it suitable for harsh environments.

The sensor supports NPN output and can operate safely within -40°C to 60°C, with a maximum DC voltage rating of 30 V and maximum current of 100 mA. The quick 330 microsecond response time facilitates rapid sensing operations essential in automated processes.

Mounting adaptability is ensured with hole and threaded options, simplifying installations in various industrial settings such as packaging, pharmaceutical production, and food and beverage processing. The sensor's advanced ASIC technology and PinPoint LED provide a precise, bright light spot that enables fast and easy alignment as well as reliable switching characteristics, reducing downtime caused by sensor readjustments.

Certified under CE and UL standards, the WTB12-3N2431 also offers flexible communication options including IO-Link for monitoring, diagnostics, and configuration from the PLC, ensuring seamless integration into existing automation control systems. This sensor family includes multiple variations such as proximity, retro-reflective, and through-beam types, catering to a broad range of application needs.

Typical industrial uses include board and paper edge detection, ultrasonic welding station monitoring, tray position checking, collision prevention in robotic applications, and dynamic gap measurement. The sensor excels in handling challenging detection tasks through its background suppression technology, providing stable performance even with transparent or direct-marked objects.

Rugged metal housing with IP66, IP67, and IP69K ingress protection ratings. Red light source ensuring high visibility and precise light spot location. Robust mounting options including hole and threaded types for secure installation.

Wide operating temperature range from -40°C to 60°C for versatile industrial use. Fast response time of 330 microseconds minimizing downtime and improving productivity. Certified with CE and UL standards for industrial safety compliance.

Flexible sensor configurations and IO-Link support for advanced diagnostics and monitoring. Excellent background and foreground suppression for reliable object detection in harsh environments. Compatible with 4-Pin M12 connector interfaces for easy integration.

Manufactured in Germany ensuring high-quality standards. Explore more sensors and automation control gear suitable for industrial, manufacturing, laboratory, and commercial applications in the comprehensive EnvMart catalog.