Leuze HRTU 412/2NC.2-S-S12 Ultrasonic Sensor
Leuze HRTU 412/2NC.2-S-S12 Ultrasonic Sensor provides 0.01–0.2 m operating range, 50 Hz switching frequency, and NPN transistor output for automation. This Leuze Ultrasonic Sensor belongs to the 418B series and features M12 x 1 mm cylindrical metal housing, 380 kHz ultrasonic frequency, 12–30 V DC supply, 10 ms response time, 4-pin connector, background suppression principle, IP67 protection, and -10 to 60 °C operating temperature.
| Brand | Leuze |
| Product Type | Ultrasonic Sensor |
| Product | HRTU 412/2NC.2-S-S12 |
Leuze HRTU 412/2NC.2-S-S12 Ultrasonic Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cylindrical |
| Thread Size | M12 x 1 mm |
| Dimension | 12 mm x 70 mm |
| Operating range | 0.01 ... 0.2 m |
| Operating principle | Diffuse reflection principle with background suppression |
| Ultrasonic frequency | 380 kHz |
| Opening angle | - |
| Adjustment range | - |
| Resolution | - |
| Supply voltage UB | 12 ... 30 V, DC |
| Number of Connections | - |
| Switching voltage | - |
| Switching output 1 | Transistor, NPN |
| Switching frequency | 50 Hz |
| Interface Type | - |
| Response time | 10 ms |
| Connection 1 Function | Signal OUT Teach input Voltage supply |
| Type of connection | Connector |
| No. of Pin | 4 -pin |
| Housing material | Metal |
| Ambient temperature, operation | -10 ... 60 °C |
| Ambient temperature, storage | -40 ... 85 °C |
| Degree of protection | IP 67 |
The HRTU 412/2NC.2-S-S12 Leuze Transistor NPN, 50 Hz Ultrasonic Sensors model is designed for short-range industrial object detection. It operates within a 0.01–0.2 m range and delivers 50 Hz switching frequency with a 10 ms response time. Using a 380 kHz ultrasonic frequency and NPN transistor output, this sensor is part of the 418B series for industrial automation systems requiring compact and fast switching performance.
In conveyor tracking, packaging machines, and automated assembly processes, the HRTU 412/2NC.2-S-S12 enables consistent presence detection. The diffuse reflection principle with background suppression supports stable sensing across varying materials. Its M12 cylindrical design and 4-pin connector allow easy integration into control panels operating at 12–30 V DC.
The HRTU 412/2NC.2-S-S12 from Leuze is built with IP67 protection and a metal housing suitable for industrial environments. Its defined switching frequency and response time support reliable signal processing in automation systems. As a Leuze Ultrasonic Sensor within the 418B series, it ensures controlled and repeatable detection for machinery and production lines.

