Controlled Products Systems Group BX-243C - Manuel (Page 3)

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CLASS I – RESIDENTIAL VEHICULAR GATE OPERATOR
A vehicular gate operator (or system) intended for use in a home of one-to four
single family dwellings, or a garage or parking area associated therewith.
UL325 ENTRAPMENT PROTECTION REQUIREMENTS
This chart illustrates the entrapment protection requirements for the UL325 classes.
NOTE: UL requires that all installations must have warning signs placed in plain
view on both sides of the gate to warn pedestrians of the dangers of motorized gate
systems.
In order to complete a proper installation you must satisfy the entrapment
protection chart shown. That means that the installation must have one primary
means of entrapment protection and one independent secondary means of
entrapment protection. Both primary and secondary entrapment protection
methods must be designed, arranged or configured to protect against
entrapments in both the open and close directions of gate travel.
For Example: For a gate system that is installed on a single-family residence
(UL325 Class I) you must provide the following: As your primary type of
entrapment protection you must provide
• Type A - Inherent (built into the operator) entrapment sensing and at
least one of the following as your secondary entrapment
protection:
• Type B1 - Non-contact sensors such as photoelectric sensors,
• Type B2 - Contact sensors such as gate edges
UL325 MODEL CLASSIFICATIONS
SAFETY
UL325 MODEL CLASSIFICATIONS
GATE OPERATOR ENTRAPMENT PROTECTION
UL325 Classification Slide Gate Operator
Primary Type Secondary Type
CLASS I-CLASS IV A B1 or B2