Leuze KRT3CL1.3S2/6T-M8 Contrast Sensor
The Leuze KRT3CL1.3S2/6T-M8 contrast sensor delivers 60 mm operating range, red laser light, and push-pull transistor output for industrial automation. Manufactured by Leuze, this Leuze Contrast Sensor belongs to the KRT Series and supports 4,000 Hz switching frequency, 12–30 V DC supply, focused beam optics, M8 metal connector, IP67/IP69K protection, and teach input functionality for stable contrast detection.
| Brand | Leuze |
| Product Type | Contrast Sensor |
| Product | KRT3CL1.3S2/6T-M8 |
Leuze KRT3CL1.3S2/6T-M8 Contrast Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cubic |
| Dimension (W x H x L) | 11.4 mm x 34.2 mm x 18.3 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 [60 mm] |
| Light spot orientation | Vertical |
| Type of light spot geometry | Oval |
| Light beam exit | Front |
| Wavelength | 655 nm |
| Supply voltage UB | 12 ... 30 V, DC, Incl. residual ripple |
| 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 | 300 ms |
| Con:1 Function | Signal OUT Teach input Voltage supply |
| Type of connection | Connector |
| Thread size | M8 |
| Type | Male |
| Material | Metal |
| No. of pins | 4 -pin |
| Housing material | Plastic |
| Housing color | Red |
| Type of fastening | Via optional mounting device |
| Type of display | LED |
| Operational controls | Teach button |
| Ambient temperature, operation | -40 ... 55 °C |
| Ambient temperature, storage | -40 ... 70 °C |
| Degree of protection | IP 67 IP 69K |
The KRT3CL1.3S2/6T-M8 Leuze 4000Hz Switching Frequency Contrast Sensor is an optical sensing device used for contrast detection in industrial automation systems. This KRT3CL1.3S2/6T-M8 model operates with a 60 mm operating range and a focused red laser light source with oval light spot geometry. It provides a push-pull transistor output and functions on a 12–30 V DC supply. As part of the KRT Series, this Leuze contrast sensor supports consistent signal processing in automated equipment.
In industrial applications, the KRT3CL1.3S2/6T-M8 is installed on conveyors, packaging machines, printing systems, and automated assembly lines. It detects contrast marks, registration references, and surface variations on moving materials. The defined laser beam optics and controlled switching behavior enable stable detection performance, while the 4000 Hz switching frequency supports reliable operation in continuous automation processes.
The KRT3CL1.3S2/6T-M8 reflects Leuze’s structured contrast sensor engineering approach for industrial environments. Its IP67 and IP69K protection ratings allow operation in harsh and washdown conditions. With teach-button configuration, standardized M8 connectivity, and stable electrical characteristics, this Leuze 4000Hz Switching Frequency Contrast Sensor is suitable for long-term industrial automation applications requiring repeatable and dependable contrast detection.
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