LMTBU/LMRRU Liftmaster Monitored Photo
The LMTBU (Emitter/Receiver photo eye) and the LMRRR (Retro
Reflective photo eye) are the new liftmaster monitored safety photo
eyes that comply with the UL325 safety code and are required on all
new Liftmaster gate operator installs. The eyes are monitered and
send a signal to the board of the operator to allow the operator to
function at a full capacity.
LMTBU Picture Left
***Note all new liftmaster gate
operators require a monitored safety device to be hooked up***
Emitter/Receiver Photo Eye
The IRB-4X infrared photo eye is used as a safety device in
conjunction with automatic gate operators. The IRB-4X will work
with any control board that accepts dry contact on the input. The
IRB-4X shoots a beam across your entrance that will tell the gate
to stop when the beam is broken by a vehicle.
will reach ranges between 25'-115'
Operating temperature rated for -40 degrees Celsius
through beam design is not affected by shiny surfaces
12-24volts AC or DC power
Reflective Photo Eye
The NIR-50 is a reflective photo eye is an easy to install lower
range photo eye, good for those residential applications or
applications that power cannot be on both sides of the gate. The
NIR-50 photo eye uses an emitter to shoot a beam across the gate
opening and uses a reflector to shoot said beam back to complete
your entrance safety.
voltage 12-240 Volts DC, 24-240 Volts AC
Watertight Package for reliable outdoor installation
- 2 LED
protective hood available
and mounting hardware are included