Entrapment Protection
Protection Against Entrapment
TYPE A: Inherent entrapment protection system.
TYPE B1: Provision for connection of, or supplied with, a non-contact sensor
(photoelectric sensor or the equivalent). When used as the PRIMARY
device, must be monitored.
TYPE B2: Provision for connection of, or supplied with, a contact sensor (edge
device or the equivalent). When used as the PRIMARY device, must be
monitored.
TYPE C: Inherent adjustable clutch or pressure relief device.
TYPE D: Provision for connection of, or supplied with, an actuating device
requiring continuous pressure to maintain opening or closing motion of
the gate.
TYPE E: An inherent audio alarm.
Gate Operator Category
Horizontal Slide, Vertical Lift,
Vertical Pivot
Swing and Vertical Barrier (arm)
Usage Class Primary Secondary Primary Secondary
Vehicular I and II A B1, B2 or D A or C A, B1, B2, C or D
Vehicular III A, B1 or B2 A, B1, B2, D or E A, B1, B2 or C A, B1, B2, C,
D or E
Vehicular IV A, B1, B2 or D A, B1, B2, D or E A, B1, B2, C or D A, B1, B2, C,
D or E
9210-065-H-8-08 Page 5
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