Miller Edge Non-Monitored Relay Light Curtain

The Miller Edge Non-Monitored Relay Light Curtain (RLC Series) provides a reliable and cost-effective safety solution for commercial overhead doors, particularly in pre-2010 installations or as a secondary sensing device in modern systems. These Miller Edge light curtains create a dense, invisible barrier of infrared light across the path of a door. When the beam is interrupted by a person, vehicle, or object, the sensor signals the door to stop and/or reverse, preventing accidents and equipment damage.

Available in 36-inch and 72-inch models, the RLC Series garage door light curtain offers wider area detection than traditional photo eyes and is ideal for motorized and high-speed doors where increased coverage is essential. With a maximum detection range of 32 feet, rugged waterproof construction, and simplified wiring, installation is fast and effective in demanding environments.

Key Features

• Non-monitored fail-safe design – ideal for legacy systems and secondary protection
• Multi-beam detection – up to 16 infrared sensors create a blanket of protection
• Stops and reverses doors when obstructions are sensed
• Max detection range: Up to 32 feet
• Mounts directly to garage door tracks or guides
• Includes universal mounting brackets
• PVC-over-aluminum housing for durability
• IP67 rating – weatherproof for indoor/outdoor use
• Slim, low-profile housing that stays out of the way
• Operating temperature: -40°F to +140°F
• Easy-to-wire relay output with both N.O. and N.C. contacts

Model Options

• RLC-K36 – 36" model with 8 sensing elements
• RLC-K72 – 72" model with 16 sensing elements

Technical Specifications

• Optical:
• Operating Range: 8 to 32 feet
• Number of Elements: 8 (RLC-K36) or 16 (RLC-K72
• Aperture Angle: Emitter ±8°, Receiver ±15°
• Max Ambient Light: greater than 100,000 lux
• Electrical:
• Power Source: 12–24V AC/DC
• Current Draw: less than 150mA at 24V DC
• Relay Output: 1A switching at 24V DC
• Output Configuration: Normally Open (N.O.) and Normally Closed (N.C.)
• Physical:
• Protection Height: 36" or 72" depending on model
• Dimensions: 1" W x 38" H x 1.1" D
• Housing: PVC over aluminum
• Mounting: 4 universal mounting brackets included
• Ingress Protection: IP67 rated
• Operating Temperature: -40°F to +140°F

Applications

• Commercial overhead sectional doors
• High-speed rolling doors
• Vehicle entrances in warehouses or industrial buildings
• Secondary protection for monitored operators

The Miller Edge Non-Monitored Light Curtain offers dependable safety performance with modern simplicity—ideal for retrofits and systems that don’t require a monitored solution. Easy installation and wide detection coverage make it a top choice for safe and efficient door automation.