Functional principle: Photoelectric proximity sensor
Functional principle detail: Background suppression
Sensing range max.: 30 mm … 200 mm 1)
Light source: Laser 2)
Type of light: Visible red light
Light spot size (distance): Ø 0.2 mm (100 mm)
Ultra-compact rectangular housing: Measures just 15 mm × 49 mm × 41.5 mm, enabling installation in tight or restricted spaces.

Ultra-compact rectangular housing: Measures just 15 mm × 49 mm × 41.5 mm, enabling installation in tight or restricted spaces.
High-precision visible red laser spot: Emits a focused red laser beam for accurate detection of small or thin objects at distances up to 250 mm.
Flexible output and detection modes: Supports both PNP and NPN switching outputs with selectable light or dark switching, allowing integration with various industrial control systems.
IP67-rated durable metal casing: Provides protection against dust, water, and mechanical stress, ensuring reliable operation in harsh industrial environments.

The SICK WT12L-2B550T01 is a high-performance photoelectric sensor designed for precise object detection in compact and demanding industrial automation environments. As part of SICK’s W12 series, this sensor combines advanced laser technology with a rugged and compact design, making it well-suited for applications that require accuracy in tight spaces or challenging conditions.

Equipped with a visible red laser, the WT12L-2B550T01 generates a sharply focused beam, enabling precise detection of small objects or thin materials at distances up to 250 mm. This high-precision laser spot allows for consistent and reliable detection in tasks such as quality control, object presence verification, and positioning on automated production lines. The focused beam reduces the chance of false triggering from adjacent objects, enhancing operational accuracy.

The sensor provides both PNP and NPN switching outputs with selectable light or dark switching modes, offering flexibility for integration into a variety of industrial control systems. This versatility allows the WT12L-2B550T01 to be used in numerous applications, including assembly lines, packaging operations, and material handling equipment, where fast and accurate detection is essential.

Durability is a key attribute of the WT12L-2B550T01. Its robust metal housing with an IP67 rating protects against dust, water ingress, and mechanical impact, ensuring reliable performance in harsh industrial conditions. This rugged construction minimizes maintenance needs and supports long-term operational reliability even under demanding factory environments.

The sensor operates on a supply voltage range of 10 V DC to 30 V DC, making it compatible with standard industrial systems while maintaining low power consumption. The integrated M12 5-pin connector simplifies installation and ensures secure electrical connections, reducing setup time and maintenance complexity.

In summary, the SICK WT12L-2B550T01 photoelectric sensor delivers precise object detection, flexible switching options, and durable industrial-grade construction in a compact design. Its high-precision laser, versatile output modes, and rugged housing make it an ideal choice for modern automation tasks, ensuring consistent performance, reliable detection, and long-term operational stability in challenging industrial environments.