Leuze KRT3CM.L3S2/4T-M8 Contrast Sensor
The Leuze KRT3CM.L3S2/4T-M8 contrast sensor uses 14.5 mm operating range, RGB LED light, and PNP transistor output for automation. Manufactured by Leuze, this Leuze Contrast Sensor belongs to the KRT Series and supports 12–30 V DC supply, 10,000 Hz switching frequency, 300 ms response time, focused beam optics, M8 metal connector, IP67/IP69K protection, and teach input configuration for stable contrast detection.
| Brand | Leuze |
| Product Type | Contrast Sensor |
| Product | KRT3CM.L3S2/4T-M8 |
Leuze KRT3CM.L3S2/4T-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 | 14.5 mm ± 2 mm |
| Beam path | Focused |
| Light Source | LED, RGB |
| Light spot size [at sensor distance] | 1.5 mm x 4 mm [14.5 mm] |
| Light spot orientation | Vertical |
| Type of light spot geometry | Rectangular |
| Light beam exit | Front |
| Wavelength | B: 470 nm G: 525 nm R: 640 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 | 10,000 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 ... 60 °C |
| Ambient temperature, storage | -40 ... 70 °C |
| Degree of protection | IP 67 IP 69K |
The KRT3CM.L3S2/4T-M8 Leuze Volatge Supply Function Contrast Sensor is designed for contrast detection in industrial automation systems. This KRT3CM.L3S2/4T-M8 model operates with a 14.5 mm operating range and an RGB LED light source that supports multi-color contrast recognition. It provides a PNP transistor switching output and functions on a 12–30 V DC supply. As part of the KRT Series, this Leuze contrast sensor is suited for consistent signal processing.
In industrial environments, the KRT3CM.L3S2/4T-M8 is used on conveyors, packaging machinery, sorting systems, and automated assembly lines. It reliably detects contrast differences, printed marks, and surface variations on moving materials. The focused beam path and stable RGB illumination help maintain detection accuracy, while controlled switching behavior ensures dependable output during continuous automation operation.
The KRT3CM.L3S2/4T-M8 reflects Leuze’s structured approach to contrast sensor design for industrial use. Its IP67 and IP69K protection ratings support operation in harsh and washdown environments. With defined voltage supply functionality, teach-button control, standardized M8 connectivity, and stable electrical characteristics, this Leuze Volatge Supply Function Contrast Sensor is suitable for long-term industrial automation applications requiring repeatable and reliable contrast detection.
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