LiftMaster LMRRUL Monitored Retro-Reflective Photo Eye

The LiftMaster LMRRUL is a high-performance, UL 325-compliant monitored retro-reflective photo eye system designed for gate safety applications. With integrated diagnostics and advanced features, it provides reliable entrapment protection for commercial and residential gate installations.

Notable Features

• Long-range sensing distance up to 50 feet (15m)
• Built-in heater for all-weather performance
• Smart alignment strength indicator
• NEMA 4X rated weatherproof enclosure
• Multi-view LED diagnostic lights
• Polarized beam technology
• UL recognized and tested

Safety and Security

• Meets UL 325 requirements for secondary entrapment protection
• Secure mounting hardware for harsh applications
• Protective hoods included for weather shielding
• Superior interference resistance from shiny objects
• Monitored technology for enhanced safety

Technical Specifications

Physical Characteristics

• Photo Eye with Hood: 4.6"H x 2.45"W x 2.76"D
• Photo Eye without Hood: 4.56"H x 2.35"W x 1.97"D
• Reflector with Hood: 4.72"H x 2.01"W x 2.61"D
• Weight: 3.3 lbs
• Construction: Stainless steel sensor hood, polycarbonate reflector hood
• Mounting: Powder-coated galvanized brackets

Electrical Specifications

• Sensor Input: 6.8V DC, 20mA (Black/Red Wires)
• Heater Input: 10-40V DC or 8-28V AC, 2 Watts Max
• Heater Current: 170mA at 120V DC/AC, 85mA at 24V DC/AC
• Interface: 4-Wire connection (2 for Eye; 2 for heater)

Environmental

• Operating Temperature: -40°F to 149°F (-40°C to 65°C)
• NEMA 4X rated enclosure
• All-weather performance capability

Diagnostic Indicators

• Solid Blue: Optimal alignment
• Blinking Blue: Near alignment (faster blinking indicates closer to optimal)
• Solid Red: Misaligned or obstructed

Compatibility

• Works with LiftMaster gate operators: CSL24UL, CSW24UL, RSL12UL, RSW12UL, LA400UL, LA412UL, LA500UL
• Not interchangeable with LMTBUL emitter

Package Contents

• 1x Photocell unit
• 1x Reflector
• Mounting brackets
• Installation hardware
• 10ft wire
• Protective hoods

Warranty

2-Year Manufacturer's Warranty

Download Information:

• Specification Sheet