Leuze LSSU 18-S12 Ultrasonic Sensor
Leuze LSSU 18-S12 Ultrasonic Sensor offers 0–0.65 m operating range, 300 kHz ultrasonic frequency, and throughbeam operating principle for automation. This Leuze Ultrasonic Sensor belongs to the 418B series and features 10–30 V DC supply, 100 Hz switching frequency, cubic metal housing, M12 connector with 5-pin configuration, IP65 protection, and 0 to 70 °C operating temperature.
| Brand | Leuze |
| Product Type | Ultrasonic Sensor |
| Product | LSSU 18-S12 |
Leuze LSSU 18-S12 Ultrasonic Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cubic |
| Thread Size | M12 |
| Dimension | 15 mm x 50 mm x 33 mm |
| Operating range | 0 ... 0.65 m |
| Operating principle | Throughbeam principle |
| Ultrasonic frequency | 300 kHz |
| Opening angle | - |
| Adjustment range | - |
| Resolution | - |
| Supply voltage UB | 10 ... 30 V, DC |
| Number of Connections | - |
| Switching voltage | - |
| Switching output 1 | - |
| Switching frequency | 100 Hz |
| Interface Type | - |
| Response time | - |
| Connection 1 Function | Voltage supply |
| Type of connection | Connector |
| No. of Pin | 5 -pin |
| Housing material | Metal |
| Ambient temperature, operation | 0 ... 70 °C |
| Ambient temperature, storage | -40 ... 85 °C |
| Degree of protection | IP 65 |
The LSSU 18-S12 Leuze Throughbeam Transmitter Ultrasonic Sensors model is designed for short-range detection using the throughbeam principle. It provides a 0–0.65 m sensing range with 300 kHz ultrasonic frequency and operates on 10–30 V DC supply. With 100 Hz switching frequency, this unit belongs to the 418B series and supports industrial automation systems requiring transmitter-based ultrasonic sensing.
In conveyor systems, packaging lines, and assembly automation, the LSSU 18-S12 is used where stable signal transmission between transmitter and receiver is required. The throughbeam principle ensures consistent object interruption detection across varying materials. Its 5-pin M12 connector supports straightforward installation within industrial control panels.
The LSSU 18-S12 from Leuze is built with a metal housing and IP65 protection for industrial environments. Its defined ultrasonic frequency and switching characteristics ensure controlled performance in production systems. As a Leuze Ultrasonic Sensor within the 418B series, it provides reliable transmitter functionality for industrial automation applications.

