Vehicular
Gate Operator Categories
UL Defined Obstruction Sensing System |
||
Types of Safety Devices |
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| Type A | Inherent in the Operator | Provided in design of the operator |
| Type B-1 | Non-Contact | Photoelectric Sensor or equivalent |
| Type B-2 | Contact | Edge device or the equivalent |
| Type C | Swing-Inherent | Inherent adjustable clutch (Mechanical) or pressure relief device (for Hydraulics) |
| Type D | Constant Contact | Manual activation of device which stops the unit when button is released |
| Type E | Audio Alarm | Bells, horns, sirens, or buzzers at 100db |
Classes & Entrapment Type Required |
||||
| Vehicular Usage Class |
Horizontal
Slide
Vertical Lift Vertical Pivot |
Swing Gate
Vertical Barrier (Arm) |
||
|
Primary Type
|
Secondary
Type
|
Primary Type
|
Secondary
Type
|
|
| Class I & II |
A
|
B1, B2, D
|
A or C
|
A, B1, C or
D
|
| Class II |
A, B1, or
B2
|
A, B1, B2,
D or E
|
A, B1, or
C
|
A, B1, C,
D or E
|
| Class IV |
B1, B2, D
|
A, B1, B2,
D or E
|
A, B1, C or
D
|
A, B1, C,
D or E
|
| Note: The same type of device shall not be utilized for both the primary and secondary entrapment protection means. Use of a single device to cover both the opening and closing directions is in accordance with the requirements; however a single device is not required to cover from 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 means. | ||||
 |
Another
fine product offered by
Discount Fence Supply, Inc
8500 Hadden Rd.
� Twinsburg OH 44087
Phone (800)878-7829 � FAX 330/650-9004
e-mail us at Customer
Support
