The WL9-3P2430 is a compact photoelectric reflex sensor with polarization filter and visible red light source. It provides reliable object detection up to 17 m with reflectors, features a PNP light/dark switching output, and comes in a rugged housing with IP66, IP67, and IP69K protection for industrial automation applications.

The WL9L-3P2432 is a compact photoelectric reflex sensor with polarization filter and visible red light source, designed for reliable object detection up to 17 m. It offers complementary PNP outputs, fast response, and a rugged IP66/IP67/IP69K housing, making it ideal for industrial automation and harsh environments.

The WL9-2P430 is a compact photoelectric reflex sensor with polarization filter, designed for reliable object detection up to 4 m. It uses a visible red LED light source and ensures accurate detection of reflective objects while ignoring shiny backgrounds. With PNP output, fast response time, and IP66/IP67 protection, it is suitable for industrial automation applications in harsh environments.

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.