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Leuze PRK318B/4P-M12 Photoelectric Sensor
| : Leuze |
| : 10 ... 30 V, DC, Incl. residual ripple |
| : 50116859 |
| : Photoelectric Sensor |
| : 0 ... 15 mA |
| : Transistor, PNP |
Note :- Custom duty and local tax should be pay by buyer only.
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Leuze PRK318B/4P-M12 Photoelectric Sensor
The Leuze PRK318B/4P-M12 Photoelectric Sensor (50116859) from Leuze electronic is a compact M18 retroreflective photoelectric sensor designed for accurate long-range object detection in industrial automation and material handling systems. Operating on the reflection principle, it provides a guaranteed sensing range of 0.02 to 4.5 meters when used with a LEUZE TK(S) 100×100 reflector, while offering a typical operating range of up to 6 meters.
The sensor utilizes a 620 nm pulsed red LED to ensure reliable detection with excellent resistance to ambient light interference. It features dual PNP transistor outputs supporting both Light Switching (Light-ON) and Dark Switching (Dark-ON) modes, providing flexible integration with PLCs and industrial control systems. Operating on a 10–30 VDC power supply, the sensor delivers a 500 Hz switching frequency, 1 ms response time, and a 300 ms readiness delay for dependable high-speed performance.
Its durable ABS plastic housing, M18 threaded body, and M12 A-coded 4-pin connector enable quick installation and secure electrical connections. The integrated LED status indicator simplifies alignment and operational monitoring. With an IP67 protection rating, the sensor is resistant to dust and water, ensuring reliable operation in demanding industrial environments. Manufactured in China, the PRK318B/4P-M12 is a dependable solution for precise and long-lasting photoelectric sensing applications.
Applications
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Conveyor systems for reliable object detection over long distances.
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Packaging and assembly lines requiring retroreflective sensing.
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Warehouse and material handling equipment for product positioning.
- Industrial automation machinery using reflector-based detection systems.
Technical Precautions
- Operate only within the 10–30 VDC specified supply voltage range.
- Use a compatible LEUZE TK(S) 100×100 reflector to achieve the rated sensing distance.
- Keep the sensor lens and reflector clean to maintain reliable detection performance.
- Secure the M12 A-coded connector properly and protect the sensor from mechanical impacts to preserve the IP67 protection rating.
While our engineers carefully upload product details based on official datasheets, occasional errors may still occur. We encourage users to verify specifications as needed for complete accuracy.
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Note : All tax and custom duty should be pay by buyer only.
Note: All trademarks and trade names used are the property of their respective owners.
| Brand | LEUZE |
| Product Number | PRK318B/4P-M12 |
| Part Number | 50116859 |
Series | 318B |
| Operating principle | Reflection principle |
Operating range | 0.02 ... 4.5 m (guaranteed operating range), With reflector TK(S) 100x100 |
| Operating range limit | 0.02 ... 6 m (typical operating range), With reflector TK(S) 100x100 |
| Light source | LED, Red |
| Wavelength | 620 nm |
| Transmitted-signal shape | Pulsed |
| LED group | Exempt group (in acc. with EN 62471) |
Supply voltage UB | 10 ... 30 V, DC, Incl. residual ripple |
| Residual ripple | 0 ... 15 %, From UB |
| Open-circuit current | 0 ... 15 mA |
Number of digital switching outputs | 2 Piece(s) |
Type | Digital switching output |
Switching element | Transistor, PNP |
| Switching principle | Light switching |
Switching element | Transistor, PNP |
| Switching principle | Dark switching |
Switching frequency | 500 Hz |
| Response time | 1 ms |
| Readiness delay | 300 ms |
Number of connections | 1 Piece(s) |
Function | Signal OUT Voltage supply |
| Type of connection | Connector |
| Thread size | M12 |
| Type | Male |
| Material | Plastic |
| No. of pins | 4 -pin |
| Encoding | A-coded |
Dimension (Ø x L) | 18 mm x 46 mm |
| Thread size | M18 x 1 mm |
| Housing material | Plastic |
| Plastic housing | ABS |
| Lens cover material | Plastic |
| Housing color | Black |
| Red | |
Type of display | LED |
| Number of LEDs | 1 Piece(s) |
Ambient temperature, operation | -40 ... 60 °C |
| Ambient temperature, storage | -40 ... 70 °C |
Degree of protection | IP 67 |
| Country of origin | China |
Note : All tax and custom duty should be pay by buyer only.
Note: All trademarks and trade names used are the property of their respective owners.
Accuracy Disclaimer: Specifications provided are based on datasheet and are subject to change without notice. While every effort has been made to ensure accuracy, errors may occur. Users are encouraged to verify specifications with the manufacturer and consult for any specific questions or requirements.
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