Liftmaster LMRRUL Monitored Retro Reflective Safety Eye

The LiftMaster LMRRUL Monitored Retro-Reflective Photoelectric Sensor is a high-performance safety device designed for use with UL-listed LiftMaster gate operators. This sensor delivers non-contact entrapment protection with a detection range of up to 50 feet, helping ensure safe and compliant operation of automatic gate systems.

Built for demanding outdoor conditions, this sensor features a NEMA 4X weatherproof rating and a built-in heater for reliable performance in temperatures as low as -40°F, making it ideal for both warm and cold climates.

Key Features

• Model: LMRRUL

• Compatible with UL-listed LiftMaster gate operators

• 50-foot detection range for non-contact entrapment protection

• Built-in alignment strength indicator for easy setup and adjustment

• NEMA 4X-rated for weather-resistant, outdoor operation

• UL 325 compliant for safety and code compliance

• Operates at temperatures from -40°F and above

• Includes:

  • 10-foot wire

  • Mounting brackets and hardware

  • Steel sensor hood and polyethylene reflector hood

Power & Installation Notes

• Only one side of the system requires a power supply

• Heater power requirements: 2W max, 10–40VDC or 8–28VAC

• Not recommended for solar-powered gate systems

• Sensor dimensions with hood: 2.61" W x 4.72" H x 2" D

? Always check your gate operator’s manual to confirm compatibility before purchasing.