Leuze MLC310R20-1800 Safety Light Curtain

| Brand | Leuze |
| Product Type | Safety Light Curtain |
| Model Number | MLC310R20-1800 |
Leuze MLC310R20-1800 Safety Light Curtain – Technical Specifications
| Specification | Value |
|---|---|
| Series | MLC 300 |
| Device type | Receiver |
| Contains | 2x BT-NC sliding block |
| Application | Hand protection |
| Functions | Automatic start/restart, Transmission channel changeover |
| Resolution | 20 mm |
| Protective field height | 1,800 mm |
| Synchronization | Optical between transmitter and receiver |
| Protective circuit | Overvoltage protection, Short circuit protected |
| Supply voltage UB | 24 V, DC, -20 ... 20 % |
| Current consumption, max. | 150 mA |
| Number of safety-related switching outputs (OSSDs) | 2 Piece(s) |
| Safety related switching output Type | Safety-related switching output OSSD |
| Switching voltage high, min. | 18 V |
| Switching voltage low, max. | 2.5 V |
| Switching voltage, typ. | 22.5 V |
| Voltage type | DC |
| Current load, max. | 380 mA |
| Load inductivity | 2,000 µH |
| Load capacity | 0.03 µF |
| Residual current, max. | 0.2 mA |
| Voltage drop | 1.5 V |
| O/P 1: Switching Principle | 24 V switching |
| O/P 1: Switching Output | Transistor, PNP |
| O/P 2: Switching Principle | 24 V switching |
| O/P 2: Switching Output | Transistor, PNP |
| Response time | 31 ms |
| Restart delay time | 100 ms |
| Number of connections | 1 Piece(s) |
| Function | Machine interface |
| Type of connection | M12 Connector 5-pin |
| Type | Male |
| Dimension (W x H x L) | 29 mm x 1,866 mm x 35.4 mm |
| Housing material | Metal: Aluminum |
| Lens cover material | Plastic / PMMA |
| Material of end caps | Diecast zinc |
| Housing color | Yellow, RAL 1021 |
| Type of fastening | Groove mounting, Mounting brackets, Mounting on Device Column, Swivel mount |
| Type of display | LED |
| Number of LEDs | 2 Piece(s) |
| Degree of protection | IP 65 |
| Protection class | III |
| Ambient temperature, operation | -15 ... 55 °C |
| Ambient temperature, storage | -30 ... 70 °C |
| Relative humidity (non-condensing) | 0 ... 95 % |
| Net weight | 1,950 g |
The Leuze MLC310R20-1800 receiver offers advanced safety features with a resolution of 20 mm and a wide protective field height of 1,800 mm, making it ideal for safeguarding hand access zones. It operates on a stable 24 V DC supply voltage with tolerance between -20% and +20%, and maintains a low maximum current consumption of 150 mA. The device uses optical synchronization between the transmitter and receiver and includes built-in protection against overvoltage and short circuits.
Equipped with 2 safety-related OSSD outputs using PNP transistor switching technology, the curtain ensures reliable stop commands with a typical switching voltage of 22.5 V. Its fast response time of 31 ms and restart delay of 100 ms contribute to operational efficiency. The sturdy aluminum housing and IP65 protection rating ensure durability even in harsh industrial environments, while the M12 5-pin male connector simplifies installation and maintenance.
Designed for long-term performance, the MLC310R20-1800 incorporates a die-cast zinc end cap, LED display indicators, and supports multiple mounting types including groove and swivel mounts. This model is trusted in automotive, packaging, and assembly industries where compliance with strict safety regulations and minimal machine downtime are critical. Choose the Leuze MLC310R20-1800 for proven performance, trusted protection, and consistent operation in demanding automation environments.
The Leuze MLC310R20-1800 Safety Light Curtain is specially built for hand protection in machines where operator safety is non-negotiable. This model is widely used in presses, cutting machines, robotic cells, and automated packing lines where safe access must be granted without compromising on throughput. With its slim 29 mm width and long detection range of up to 1,800 mm, it is ideal for guarding wide machine openings without physical barriers.
Maintenance teams appreciate the intuitive LED indicators and the reliable optical synchronization between transmitter and receiver, which removes the need for additional wiring. Its 24 V DC power input and compact design allow easy retrofit into existing systems, while industries such as automotive, food processing, electronics assembly, and logistics benefit from increased safety compliance with minimal engineering effort.
If your machinery involves frequent human interaction or requires flexible access points without physical guarding, the Leuze MLC310R20-1800 is a highly trusted solution. Its proven reliability and advanced safety switching make it an ideal fit for modern industrial safety standards.




