Leuze KRT3CL1.3S2/4T-M8 Contrast Sensor
The Leuze KRT3CL1.3S2/4T-M8 contrast sensor delivers 60 mm operating range, red laser light, and PNP transistor output signals reliably. 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 control for industrial contrast detection.
| Brand | Leuze |
| Product Type | Contrast Sensor |
| Product | KRT3CL1.3S2/4T-M8 |
Leuze KRT3CL1.3S2/4T-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, PNP |
| Switching principle | Light switching |
| 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 KRT3CL1.3S2/4T-M8 Leuze 60 mm Laser RED Contrast Sensor is an optical device designed for contrast detection in industrial automation systems. This KRT3CL1.3S2/4T-M8 model operates with a 60 mm operating range using a focused red laser light source and oval light spot geometry. It provides a PNP transistor switching output and operates on a 12–30 V DC supply. As part of the KRT Series, this Leuze contrast sensor supports stable signal evaluation in automated machinery.
In industrial applications, the KRT3CL1.3S2/4T-M8 is used on conveyors, packaging equipment, printing systems, and automated assembly lines. It reliably detects contrast marks, registration references, and surface variations on moving materials. The focused laser beam supports accurate detection over longer distances, while consistent switching behavior ensures stable output during continuous automation processes.
The KRT3CL1.3S2/4T-M8 reflects Leuze’s structured contrast sensor design for industrial environments. Its IP67 and IP69K protection ratings allow operation in harsh and washdown conditions. With teach-button configuration, defined optical characteristics, and standardized M8 connectivity, this Leuze 60 mm Laser RED Contrast Sensor is suitable for long-term industrial automation applications requiring repeatable and reliable contrast detection.
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