The WTB11-2P2431 is a compact photoelectric proximity sensor with background suppression, designed for precise object detection up to 800 mm. It features a visible red PinPoint LED, complementary PNP outputs, and a durable housing with IP66, IP67, and IP69K protection, making it ideal for industrial automation applications.

The WTT12L-B3562 is a compact photoelectric proximity sensor with background suppression, providing precise object detection over short to medium ranges. It uses a visible red light source, offers reliable switching performance, and features a rugged rectangular housing with IP67 protection, making it suitable for industrial automation applications.

The WTB9-3P2411 is a compact background-suppression photoelectric proximity sensor using infrared LED light. It offers reliable object detection from 20 mm up to 500 mm (typical range 20 mm … 250 mm) and features a 5-turn potentiometer for adjustment. The sensor provides a PNP complementary light/dark switching output, fast response, and robust IP66/IP67/IP69K protection in a space-saving rectangular housing with M12 connector, ideal for demanding industrial environments.

The SICK WLL12-B5171 is a fiber-optic amplifier/photoelectric proximity sensor designed for short-range detection using plastic fiber. It features a rectangular zinc die-cast housing with IP67 protection and a visible red LED light source. Adjustment is done via a potentiometer. The sensor supports both light and dark switching and connects via a 5-pin M12 male connector. It operates reliably in industrial environments and is suitable for precise proximity applications.

The SICK WTB11-2P2461 is a compact background-suppression photoelectric proximity sensor featuring a visible red PinPoint LED for precise short- to medium-range detection. It offers versatile detection from 30 mm up to 800 mm (and up to 1,100 mm under optimal conditions) and allows light/dark switching via PNP complementary output. The sensor includes a 5-turn potentiometer for fine adjustments, comes in a rectangular ABS housing with IP66/IP67/IP69K protection, and supports robust industrial performance with full circuit protection and M12 4-pin connectivity.

The SICK WTB4-3P3162 is a miniature background-suppression photoelectric proximity sensor that employs a visible red PinPoint LED for detecting small objects within a compact form factor. It offers a sensing range from 15 mm to 150 mm, features a single teach-in button for easy configuration, and provides reliable PNP light-switching output, making it ideal for tight-space and precision detection tasks in industrial settings.

The SICK WS9L-D430 is a compact, rectangular photoelectric sensor operating on 10 to 30 V DC with a 4-pin connection. Though discontinued, it remains a basic and reliable rectangular-style photoelectric device suited for legacy systems, typically employed where such form factors and electrical interfaces are required.

he SICK WE9L-P430 is a compact through-beam photoelectric sensor that utilizes a visible red laser (Class 2) for precise long-range detection up to 50 m. It provides straightforward teach-in setup, PNP light/dark switching output, and robust performance in industrial settings. Despite being discontinued, it remains a reliable option for demanding sensing applications.

The SICK WLG4S-3P3132 is a compact retro-reflective photoelectric sensor with autocollimation optics, enabling detection even without a separate reflector. It uses a visible red PinPoint LED, offers a slim rectangular design, incorporates a single teach-in button for easy configuration, and supports AutoAdapt for stable detection of transparent objects. The sensor delivers fast PNP light-switching performance with built-in protection, all in a durable IP67-rated housing suitable for industrial environments.

The SICK WL4-3P3130 is an ultra-compact retro-reflective photoelectric sensor that uses a visible red PinPoint LED and dual-lens optics with polarization filters for accurate detection. It offers a sensing range from 0.02 m to 3.5 m (up to 4.5 m max with a PL80A reflector), quick PNP light-switching output, and fast response in a sleek slim housing ideal for tight installations.