Leuze KRTM 20M/N-20-6320-S12 Contrast Sensor
Leuze KRTM 20M/N-20-6320-S12 contrast sensor offers 20 mm operating range, RGB LED light, and NPN transistor output switching applications. Manufactured by Leuze, this Leuze Contrast Sensor belongs to the KRT Series and supports 20 mm ± 2 mm operating range, RGB LED light source, NPN transistor switching output, 50,000 Hz switching frequency, 12–30 V DC supply, stainless steel housing, and IP67/IP69K protection.
| Brand | Leuze |
| Product Type | Contrast Sensor |
| Product | KRTM 20M/N-20-6320-S12 |
Leuze KRTM 20M/N-20-6320-S12 Contrast Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cubic |
| Dimension (W x H x L) | 30 mm x 80 mm x 53 mm |
| Special version | Autocollimation Time function |
| Operating range | 20 mm ± 2 mm |
| Beam path | Focused |
| Light Source | LED, RGB |
| Light spot size [at sensor distance] | 1.2 mm x 4 mm |
| Light spot orientation | Vertical |
| Type of light spot geometry | Rectangular |
| Light beam exit | On face |
| Wavelength | - |
| Supply voltage UB | 12 ... 30 V, DC |
| Number of teach inputs | 1 Piece(s) |
| Number of digital switching outputs | 1 Piece(s) |
| Switching output | Transistor, NPN |
| Switching principle | Light/dark switchable |
| Switching frequency | 50,000 Hz |
| Response time | - |
| Con:1 Function | - |
| Type of connection | Connector |
| Thread size | M12 |
| Type | - |
| Material | Stainless steel |
| No. of pins | 5-pin |
| Housing material | Metal |
| Housing color | - |
| Type of fastening | - |
| Type of display | LED |
| Operational controls | Membrane keyboard |
| Ambient temperature, operation | -25 ... 60 °C |
| Ambient temperature, storage | - |
| Degree of protection | IP 67 IP 69K |
The KRTM 20M/N-20-6320-S12 Leuze Transistor, NPN Output Contrast Sensor is built for accurate contrast detection in industrial automation systems. The KRTM 20M/N-20-6320-S12 operates with a 20 mm operating range, RGB LED light source, NPN transistor output, and 50,000 Hz switching frequency. It belongs to the KRT Series and supports stable optical sensing tasks.
This contrast sensor is used in conveyors, packaging machinery, labeling lines, and automated assembly systems. Its focused beam path and rectangular light spot enable reliable detection of contrast marks on fast-moving materials. The metal and stainless steel housing supports operation in demanding industrial environments.
The KRTM 20M/N-20-6320-S12 reflects Leuze’s emphasis on consistent sensing performance and electrical reliability. With IP67/IP69K protection, robust construction, and stable output behavior, it is suitable for continuous industrial use. As part of the Leuze KRT Series, it provides dependable contrast detection across automation applications.
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