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**Entrapment Zone: The location where an object can be
caught or held in a position that increases the risk of injury.
KNOW
THE
STANDARD.
To be UL 325 compliant, two monitored safety entrapment protection devices must be installed at each
entrapment zone (the inherent reversing system in LiftMaster Gate Operators counts as one device).
Beginning August 1, 2018, for a LiftMaster Slide Gate Operator to function, the operator will require a
minimum of two external monitored safety entrapment protection devices: one in the open direction and one in
the close direction. LiftMaster Slide Gate Operators will be shipped with a LiftMaster Monitored Safety Edge in
addition to a LiftMaster Retro Reflective Photo Eye. LiftMaster Monitored Safety Entrapment Protection Devices
must be used with LiftMaster Gate Operators to meet UL 325.
Every installation is unique. It is the responsibility of the installer to ensure all entrapment zones are protected
with a minimum of two entrapment protection devices.
© 2018 LiftMaster. All Rights Reserved.
300 Windsor Drive, Oak Brook, IL 60523
LiftMaster.com
UL and the UL logo are trademarks of UL LLC ©2018 All Rights Reserved
5284_UL325_F 4/18
LEARN MORE.
Visit LiftMaster.com/UL325Gates for a complete line of
UL 325 compliant operators and safety devices.
COMMITTED
TO
SAFETY.
LiftMaster is committed to helping the industry design, build and maintain safe gate systems that are tested to
meet UL 325 safety standards. Look for more information as we prepare for the 2018 UL 325 standard update.
A
B
A
A
A
B
B
KNOW YOUR ENTRAPMENT ZONES
*
LIFTMASTER TOTAL SAFETY SOLUTION
LMWEKITU Monitored
Wireless Edge Kit
LMRRUL Retro Reective
Photo Eye
LMTBUL Through Beam
Photo Eye
Wrap Around Edges
Square and round proles
available
Monitored Safety Edge
Large and small
proles available
A
Monitored Photo Eye stops or reverses gate
when beam is obstructed
B
Monitored Safety Edges stops or reverses
gate upon contact
ENTRAPMENT ZONE
**
*This example is for illustrative purposes only.
VISIT DASMA.COM FOR MORE INFORMATION.
381327 5284_UL325_F.indd 2 5/9/18 10:48 AM
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