Leuze KRTL 3B/6.3111-S8 Contrast Sensor
Leuze KRTL 3B/6.3111-S8 contrast sensor delivers 60 mm operating range using red laser light and push-pull transistor output switching. Manufactured by Leuze, this Leuze Contrast Sensor belongs to the KRT Series and supports 60 mm ± 20 mm operating range, red laser light source, push-pull transistor output, 4,000 Hz switching frequency, M8 4-pin connector, teach button operation, and IP67/IP69K protection.
| Brand | Leuze |
| Product Type | Contrast Sensor |
| Product | KRTL 3B/6.3111-S8 |
Leuze KRTL 3B/6.3111-S8 Contrast Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cubic |
| Dimension (W x H x L) | 11 mm x 32 mm x 17 mm |
| Special version | Teach input Time function |
| Operating range | 60 mm ± 20 mm |
| Beam path | Focused |
| Light Source | Laser, Red |
| Light spot size [at sensor distance] | 0.5 mm x 1 mm |
| Light spot orientation | Vertical |
| Type of light spot geometry | Oval |
| Light beam exit | Front |
| Wavelength | - |
| Supply voltage UB | 10 ... 30 V, DC |
| Number of teach inputs | 1 Piece(s) |
| Number of digital switching outputs | 1 Piece(s) |
| Switching output | Transistor, Push-pull |
| Switching principle | Light switching (PNP)/dark switching (NPN) |
| Switching frequency | 4,000 Hz |
| Response time | - |
| Con:1 Function | - |
| Type of connection | Connector |
| Thread size | M8 |
| Type | - |
| Material | Stainless steel |
| No. of pins | 4-pin |
| Housing material | Stainless steel |
| Housing color | - |
| Type of fastening | - |
| Type of display | LED |
| Operational controls | Teach button |
| Ambient temperature, operation | -10 ... 55 °C |
| Ambient temperature, storage | - |
| Degree of protection | IP 67 IP 69K |
The KRTL 3B/6.3111-S8 Leuze Laser, Red Light Source Contrast Sensor is designed for precise contrast detection in industrial automation. The KRTL 3B/6.3111-S8 operates with a 60 mm operating range, red laser light source, push-pull transistor output, and 4,000 Hz switching frequency. It belongs to the KRT Series and is used in controlled sensing environments.
This contrast sensor is applied in conveyors, packaging machines, labeling systems, and automated assembly lines. The focused laser beam and small oval light spot allow accurate contrast detection on fast-moving or low-contrast materials. Its stainless steel housing and stable electrical output support consistent operation in compact and demanding industrial installations.
The KRTL 3B/6.3111-S8 reflects Leuze’s emphasis on reliable sensing performance and mechanical durability. With IP67/IP69K protection, precise laser-based detection, and teach-button configuration, it is suitable for continuous industrial use. As part of the Leuze KRT Series, it delivers dependable contrast sensing for automation applications requiring accuracy and stability.
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