Product Description
KEYENCE GL-R40H Safety Light Curtain
The KEYENCE GL-R40H is a highly durable and reliable Type 4 safety light curtain from the industry-leading GL-R series. Designed specifically for robust industrial machine guarding and accurate presence detection, this multi-beam safety sensor ensures optimal workplace safety without compromising operational productivity. Featuring a rugged extruded aluminum housing and recessed lenses, the GL-R40H is engineered to withstand physical impacts and harsh manufacturing environments. It provides precise hand-protection level detection and includes both the transmitter (TX) and receiver (RX) units, offering seamless integration into existing safety circuits for maximum operator protection and compliance.
Technical Specifications:
- Brand: KEYENCE
- Model: GL-R40H (Includes Transmitter 24740HTX & Receiver 24740HRX)
- Safety Category: Type 4, Category 4, PLe, SIL3
- Detection Type: Hand Protection (ø25 mm minimum detectable object)
- Number of Beam Axes: 40
- Beam Axis Pitch: 20 mm
- Detection Height: 790 mm
- Operating Distance: 0.2 to 15 m
- Enclosure Rating: IP65 / IP67

KEYENCE GL-R40H Safety Light Curtain
Enhance workplace safety with the KEYENCE GL-R40H Safety Light Curtain. This robust Type 4 industrial safety sensor features 40 beam axes, a 790mm detection height, and a 20mm pitch for reliable hand protection and dependable machine guarding in demanding environments.




