Leuze KRT18BW.H3/G6X-M12 Contrast Sensor
Leuze KRT18BW.H3/G6X-M12 contrast sensor delivers 13 mm operating range, white LED, focused beam, and push-pull switching for industrial automation tasks. Manufactured by Leuze, this Leuze Contrast Sensor belongs to the KRT Series and operates with 15,000 Hz switching frequency, 12–30 V DC supply, M12 5-pin metal connector, LED display, teach button control, and IP67/IP69K protection.
| Brand | Leuze |
| Product Type | Contrast Sensor |
| Product | KRT18BW.H3/G6X-M12 |
Leuze KRT18BW.H3/G6X-M12 Contrast Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cubic |
| Dimension (W x H x L) | 15 mm x 47 mm x 32.5 mm |
| Special version | - |
| Operating range | 13 mm ± 3 mm |
| Beam path | Focused |
| Light Source | LED, White |
| Light spot size [at sensor distance] | 1 mm x 4 mm |
| Light spot orientation | Horizontal |
| Type of light spot geometry | Rectangular |
| Light beam exit | Front |
| Wavelength | - |
| Supply voltage UB | 12 ... 30 V, DC |
| Number of teach inputs | - |
| Number of digital switching outputs | 2 Piece(s) |
| Switching output | Transistor, Push-pull |
| Switching principle | Light/dark switchable |
| Switching frequency | 15,000 Hz |
| Response time | 300 ms |
| Con:1 Function | Signal OUT Voltage supply |
| Type of connection | Connector |
| Thread size | M12 |
| Type | Male |
| Material | Metal |
| No. of pins | 5-pin |
| Housing material | Metal |
| Housing color | Silver |
| Type of fastening | Front mounting with thread Through-hole mounting 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 KRT18BW.H3/G6X-M12 Leuze 13mm Analog Voltage O/p Contrast Sensor is designed for stable contrast detection in industrial automation environments. The KRT18BW.H3/G6X-M12 operates with a 13 mm operating range, uses a white LED light source, and supports push-pull transistor output with a 15,000 Hz switching frequency. It is classified under the KRT Series for standardized industrial sensor integration.
This contrast sensor is used in conveyors, packaging machines, labeling systems, and automated assembly lines where consistent contrast detection is required. The focused beam path and rectangular light spot geometry support reliable detection on fast-moving materials. The M12 connector and metal housing ensure stable electrical connection and mechanical durability during continuous operation.
The KRT18BW.H3/G6X-M12 reflects Leuze’s focus on dependable sensor design for industrial use. Its IP67 and IP69K protection, wide operating temperature range, and robust housing support long-term performance in demanding environments. As part of the KRT Series, this Leuze Contrast Sensor provides predictable behavior and trusted compatibility within industrial automation systems.

