Leuze KRT3CM.L3D2/2T-M8 Contrast Sensor
The Leuze KRT3CM.L3D2/2T-M8 contrast sensor uses 14.5 mm operating range, RGB LED light, and NPN transistor output for automation tasks. Manufactured by Leuze, this Leuze Contrast Sensor belongs to the KRT Series and supports 300 ms response time, 10,000 Hz switching frequency, 12–30 V DC supply, 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.L3D2/2T-M8 |
Leuze KRT3CM.L3D2/2T-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, NPN |
| 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.L3D2/2T-M8 Leuze 300ms Response Time Contrast Sensor is an optical sensing device designed for contrast detection in industrial automation systems. This KRT3CM.L3D2/2T-M8 model operates with a 14.5 mm operating range and uses an RGB LED light source with defined rectangular spot geometry. It provides a NPN transistor switching output and functions on a 12–30 V DC supply. As part of the KRT Series, this Leuze contrast sensor supports consistent signal evaluation in automated machinery.
In industrial applications, the KRT3CM.L3D2/2T-M8 is used on conveyors, packaging machines, sorting systems, and automated assembly equipment. It detects contrast variations, printed marks, and surface differences on moving materials. The focused beam path and stable RGB illumination allow reliable detection across varying contrast conditions, while consistent switching behavior supports dependable automation performance.
The KRT3CM.L3D2/2T-M8 reflects Leuze’s structured approach to contrast sensor design for industrial environments. Its IP67 and IP69K protection ratings enable operation in demanding conditions, including washdown areas. With teach-button control, standardized M8 connectivity, and defined optical characteristics, this Leuze 300ms Response Time Contrast Sensor is suitable for long-term industrial automation applications requiring repeatable contrast detection.
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