3
Installation: entrapment protection
Contact Sensor Installation:
Only sensors compliant with UL 325 are recommended.
Contact
Sensor
Contact
Sensor
All Contact Sensors to
be wired in parallel
Non-Contact Sensors (Photoelectric Sensors) Installation:
One or more non-contact sensors shall be located where the risk of entrapment or obstruction exists,
such as the perimeter reachable by a moving gate or barrier.
Install photoelectric sensors to protect
against any entrapment or safety conditions
encountered in your gate application.
We recommend the use of EMX IRB-325
photoeyes to comply with UL325.
Gate in Closed Position
Photo Beam
Unit
Reflector
Contact Sensor
Contact
Sensor
Potential Entrapment Area
Note: This type of installation DOES NOT reverse the gate all the way back to its limits when the sensors
are obstructed. This installation is only to protect against entrapment and to comply with UL325.
TX
EMX Model
IRB-325
Shown
Connection ‘1’ (C1)
Connection ‘2’ (NC1)
Consult the UL325 device installation manual for more detail information about the usage,
installation and maintenance of this device.
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