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BLSL3060 Manual_Layout 1 2/10/2014 5:00 PM Page 5
PROTECTION AGAINST ENTRAPMENT
Usage Class
Vehicular I and II
Vehicular III
Vehicular IV
Note - The same type of device shall not be utilized for both the primary and the secondary entrapment
protection means. Use of a single device to cover both the opening and closing directions is in accordance with
the requirement; however, a single device is not required to cover both directions. A combination of one Type
B1 for one direction and one Type B2 for the other direction is the equivalent of one device for the purpose of
complying with the requirements of either the primary or secondary entrapment protection areas.
Entrapment protection Types:
a
Type A: Inherent entrapment protection system.
Type B1: Provision for connection of, supplied with, a non-contact sensor (photoelectric sensor
or the equivalent).
Type B2: Provision for connection of, or supplied with, a contact sensor (edge device or the equivalent)
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 audio alarm.
BLSL3060
Horizontal Slide, Vertical lift, and Vertical Pivot
Primary Type*
Secondary Type*
A
B1, B2, or D
A, B1, or B2
A, B1, B2, D, or E
A, B1, B2, or D
A, B1, B2, D, or E
TECHNICAL SUPPORT: (909) 259-6001
Gate Operator Category
Swing and Vertical Barrier (arm)
Primary Type*
A, or C
A, B1, B2, or C
A, B1, B2, C, or D
Secondary Type*
B1, B2, C, or D
A, B1, B2, C, D, or E
A, B1, B2, C, D, or E
3
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