Leuze LSEU 18/24-S12 Ultrasonic Sensor
Leuze LSEU 18/24-S12 Ultrasonic Sensor provides 0–0.65 m operating range, throughbeam operating principle, and PNP transistor output for automation. This Leuze Ultrasonic Sensor belongs to the 418B series and features 300 kHz ultrasonic frequency, 10–30 V DC supply, 100 Hz switching frequency, 10 ms response time, 5-pin M12 connector, metal housing, IP65 protection, and 0 to 70 °C operating temperature.
| Brand | Leuze |
| Product Type | Ultrasonic Sensor |
| Product | LSEU 18/24-S12 |
Leuze LSEU 18/24-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 | Transistor, PNP |
| Switching frequency | 100 Hz |
| Interface Type | - |
| Response time | 10 ms |
| Connection 1 Function | Signal OUT 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 LSEU 18/24-S12 Leuze Throughbeam Receiver Ultrasonic Sensors model is designed for receiver-based detection using the throughbeam principle. It operates within a 0–0.65 m sensing range at 300 kHz ultrasonic frequency and supports PNP transistor output with 100 Hz switching frequency. This device is part of the 418B series and is used in industrial automation systems requiring synchronized transmitter-receiver ultrasonic detection.
In conveyor monitoring, packaging lines, and automated assembly processes, the LSEU 18/24-S12 ensures reliable interruption detection between transmitter and receiver units. The throughbeam operating principle supports consistent object detection across different materials. Its 5-pin M12 connector and 10–30 V DC supply enable integration into industrial control panels and automation systems.
The LSEU 18/24-S12 from Leuze features a metal housing with IP65 protection for industrial environments. Its defined switching frequency and response time ensure repeatable signal output in machinery control circuits. As a Leuze Ultrasonic Sensor within the 418B series, it provides dependable receiver functionality for structured industrial automation applications.

