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Leuze

Leuze is a sensor and safety technology manufacturer whose products are used to detect, identify, and protect across automated industrial environments. Leuze hardware covers safety laser scanners, photoelectric sensors, optical data transmission systems, and related detection and guarding technology, and is widely installed in intralogistics, manufacturing, and material handling applications where reliable detection and personnel safety are operational requirements. PLC Direct supplies Leuze sensors and safety hardware for customers sourcing replacement components and installed-base parts to maintain existing Leuze-equipped systems.

Why Choose Leuze Sensor and Safety Products

Leuze is recognized for its sensor and safety product range, designed to address detection and area-protection challenges in automated industrial environments. Leuze products are built for applications that require reliable object detection, precise position measurement, or certified safety area monitoring to keep automated systems running safely and productively.

Leuze sensors and safety systems are commonly installed in:

Automated warehouses and distribution centers with conveyor sorting and routing systems
Automotive and discrete manufacturing with robotic work cells requiring personnel guarding
Intralogistics operations running automated guided vehicles (AGVs) and autonomous mobile robots (AMRs)
Packaging and palletizing lines requiring object detection and product differentiation
Machine guarding applications where area protection around hazardous equipment is required
Food and beverage processing environments with hygiene-sensitive detection requirements
General manufacturing with optical sensing for presence, position, and counting applications

This presence across logistics and manufacturing reflects Leuze's focus on sensor products that combine reliable detection performance with the safety ratings required for personnel protection in automated environments.

Leuze Products and Solutions

Leuze hardware at PLC Direct covers safety laser scanners and photoelectric sensing products used in industrial detection and safety applications. The Leuze collection focuses on hardware that supports the maintenance and operational continuity of installed Leuze sensor and safety systems.

Leuze Product Families

RSL420 Safety Laser Scanners: The RSL420 series consists of Type 3 safety laser scanners with a 270-degree scanning angle, designed for area protection and access guarding in automated environments. Operating at 24 VDC with IP65 protection, RSL420 scanners support up to 10 protective field pairs (reversible), dynamic contactor monitoring (EDM), and four-field mode for flexible guarding configurations. They are used in machine area guarding, AGV and AMR perimeter protection, and access control around hazardous equipment. Three variants are confirmed in the PLC Direct collection: the RSL420PM, a performance platform variant optimized for AGV and AMR mobile applications; the RSL420-M, with an operating range of 0 to 4.5 m for stationary and mobile guarding; and the RSL420-L, covering larger operating ranges for area protection applications.
RK Series Retroreflective Photoelectric Sensors: Retroreflective photoelectric sensors for object presence detection across industrial applications. The collection includes the RK18, RK46, RK46C, and RK93 series in multiple variants covering different sensing ranges, output types, and connector configurations. Confirmed part numbers include RK18B-T2, RK318WK, RK46CDL34P200M12, RK46C-DXL3, RK46C-DXL3P2, RK93150L, and RK93S302104. These sensors are used in conveyor detection, packaging line gap sensing, and general presence detection, where a reflector is installed opposite the sensor unit.

Leuze Products Available on PLC Direct

RSL420PM safety laser scanner: performance platform variant for AGV and AMR mobile applications
RSL420-M safety laser scanner: 0 to 4.5 m operating range, 270-degree scan angle, 10 protective field pairs
RSL420-L safety laser scanner: extended operating range for larger area protection applications
RK46C series retroreflective photoelectric sensors in multiple variants
RK93 series retroreflective sensors
RK18 series retroreflective sensors

These products are typically sourced for direct replacement of failed or end-of-life sensor and safety hardware in installed Leuze-equipped automated systems.

Lifecycle Support for Leuze Industrial Systems

PLC Direct supports Leuze-equipped facilities by supplying sensors and safety hardware for active and aging Leuze installations. Our focus is on helping maintenance engineers and procurement teams source the specific Leuze hardware needed to return a detection or guarding function to service without extended sourcing delays.

Our support coverage includes:

Hardware for active Leuze sensor and safety system installations in logistics and manufacturing
Components used in older Leuze installations still in operation
Select discontinued Leuze sensor products, subject to availability.

Additional support may include:

Inventory-backed availability for urgent replacement requirements
Assistance with part number identification and order verification
Sourcing support for hard-to-find Leuze sensor and safety hardware
1-year PLC Direct warranty on all purchased items

PLC Direct supplies Leuze hardware for replacement and maintenance purposes and does not provide sensor system design, commissioning, or integration services.

Frequently Asked Questions

We carry Leuze safety laser scanners and retroreflective photoelectric sensors for installed-base support. Available hardware includes RSL420 series safety laser scanners (RSL420PM, RSL420-M, RSL420-L) and RK series retroreflective sensors across the RK18, RK46C, and RK93 series in multiple variants. Contact us with your part number to check current availability.

A safety laser scanner is a safety-rated optoelectronic device that monitors a defined protective field using laser pulses. When a person or object enters the protective field, the scanner triggers a safety-rated output signal that stops or slows the associated machinery. In industrial automation, safety laser scanners are used for machine area guarding, AGV and AMR collision avoidance, and access protection around hazardous work cells. The Leuze RSL420 series is a Type 3 safety laser scanner designed for these applications, offering a 270-degree scan angle and up to 10 configurable protective field pairs.

These are distinct variants within the Leuze RSL420 safety laser scanner series. The RSL420PM is a performance platform variant designed specifically for integration on AGVs and AMRs. The RSL420-M covers an operating range of 0 to 4.5 m and is suited to both stationary machine guarding and mobile applications. The RSL420-L offers a wider operating range for area-protection applications. Because each variant has different protective field parameters and application specifications, a replacement must match the exact installed part number to maintain the original safety function. Contact us if you need help confirming the correct variant.

Leuze RK series retroreflective sensors are used for conveyor gap detection, packaging line product counting, object presence sensing on automated lines, and general through-beam detection, in which a reflector is mounted opposite the sensor. They are common in material handling, distribution, and discrete manufacturing environments where reliable detection at defined sensing distances is required.

The installed unit's label carries the exact Leuze part number, which encodes the product family, detection principle, sensing range, output type, and connector configuration. Use that part number when contacting us to check availability. If the label is unreadable, the original system documentation or wiring diagrams should reference the specified part number for each sensor position.