FS Industries ENGINEERED STEEL PRODUCTS
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AUTOMATIC POWERSTOP

STANDARD FEATURES:
• Push Button Activation (115v Single
   Phase Operation)
• Automatic Light Sequence
• Low Profile, Non-impact Design
   (wall or driveway mount)
• Rear Impact Guard (RIG) Sensor Bar
• Restraining Force In Excess of
   32,000 lbs
• Zinc Plated Finish Provides High
   Corrosion Resistance
• Remote Power Pack with Translucent
   Reservoir
• Bypass/Override Passcode
• Interlock Terminals
• Protective Debris Guard
• Sign Communication Package
• Made in the USA
The PowerStop® fully automatic vehicle restraint (AAL) is an easy-to-install, affordable restraining system. It comes
equiped with a RIG sensor bar that notifies dock workers if the restraint's arm is not securely engaged with the
trailer's Rear Impact Guard.
The PowerStop will withstand up to 32,000 lbs. of pull out force and has a horizontal service range of 0” to 10” and
a 12” minimum to 29.5” vertical service range. It can be integrated with any mechanical, hydraulic or pneumatic dock
leveler, making it extremely versatile for a wide variety of applications.
PowerStop Install

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Prices for Powerstop AAL (Automatic Restraint, Automatic Lights)
Model Weight Price
Powerstop AAL (Automatic Restraint, Automatic Lights) 420# $6,775

SPECIFICATIONS
GENERAL DESCRIPTION:
HOOKING RANGE AND CAPACITY
PowerStop-AAL vehicle restraints are designed to se-
cure a cargo trailer’s Rear Impact Guard (RIG) to
reduce the likelihood of premature trailer separation
during the loading/unloading process. The exclusive
PowerStop-AAL vehicle restraint features an automatic
restraint mechanism, hydraulic power package, inside
control panel, exterior communication lights and instruc-
tional signs.
The PowerStop® restraint can withstand a pulling force
in excess of 32,000 lbs., giving an added margin of safety
and protection. Maximum operational range is 10”
horizontally from face of dock bumpers, and 12” min-
imum to 29¼” maximum vertically. Additional ranges are
available for certain applications
EXTERIOR LIGHTS:
Low profile, traffic style, incandescent red, and green
lights are standard for communication to truck driver.
A set of caution signs warns truck driver to “Back In
or Pull Out On Green Light Only”.
CONSTRUCTION:
The PowerStop-AAL restraint system is designed to
be a stationary mount, non-impact device, permanently
mounted to loading dock foundation or drive approach.
Restraint shall be preserved in a non-corrosive powder-
coated finish. Restraint arm shall be protected by a bel-
low style cover to eliminate the accumulation of debris.
Once activated, the PowerStop-AAL extends upward
to the RIG. The locking restraint arm secures the trailer
with over 32,000 lbs. of pull-out force. The fully auto-
matic PowerStop® is affordable and easy to install.
It is ideal for all manufacturing, warehouse and dis-
tribution applications.
ELECTRICAL:
The PowerStop-AAL vehicle
restraint is available as a stand
alone unit or combined electric-
ally and/or hydraulically with your
dock leveler selection. Hydraulic
pump and motor is 1/4 HP
requiring 4.6 Amps at 115v single
phase. Electrical control panel is NEMA 4X enclosure.
All electrical control panel components, connections
and wiring are UL listed/ recognized.
OPERATION:
As a trailer backs into position, the exterior light is
green and the interior light is red. Once the trailer is
positioned against the dock bumpers, the operator
presses the “Engage” button. The PowerStop®
raises vertically to the RIG and the inside light will
display green while the outside light will display red.
The dock attendant should visually inspect and con-
firm that the restraint has engaged the horizontal
member of the RIG. If the restraint is not securely
engaged to the trailer’s RIG, the inside light will
change to red and an audible alarm will sound.
After the loading is complete, the operator presses
the “Release” button. When the trailer is released
and the restraint is safely stored the interior light
changes to red while the exterior light changes
to green
Please Note: Unless specifically noted on quotation, all
electrical requirements, including mounting of control box,
outside lights and signs, are the responsibility of others.
INSTALLATION:
Requires mounting of locking unit, control panel, exterior
lights and signs in strict accordance with installation
instructions.
WARRANTY:
All PowerStop-AAL vehicle restraints feature a full one
(1) year base warranty on all structural, hydraulic and
electrical parts, including freight and labor charges.
Standard Warranty Policy warrants all components to
be free of defects in materials and workmanship, under
normal use, during the warranty period. This base
warranty period begins upon the completion of installation
or the sixtieth (60th) day after shipment, whichever is
earlier.
If the PowerStop is unable to secure the trailer’s RIG,
the restraint will communicate the fault condition on
the message display and by flashing an amber “caution”
light. If “By-Pass” of the system is necessary, it is recom-
mended that you secure the trailer by other means
before proceeding with the loading/unloading process.
Optional Equipment for PowerStop-AAL
Vehicle Restraint
• Integrated Control Panel
  (effects panel size)
• Dock Leveler Interlock
• Limit Switch for Door Interlock
• Additional Interlock Terminals
• Cantilever Bracket
• Low Profile 10"
• Standard 24” Hose Length
• Extended Hose Length
• Embed Plate - Wall or Drive
• Anchor Pkg. - Wall or Drive
• Control Stanchion for Open Dock
HYDRAULICS:
The PowerStop-AAL is a hydraulically actuated re-
straint with a Dock Alert™ communication system.
The PowerStop-AAL vehicle restraint raises vertically
to find and maintain a hold on the RIG of truck through-
out loading and unloading operations. The dual locking
restraint arm will minimize “trailer creep”. As an optional
safety feature, the dock leveler and the vehicle restraint
can be interlocked, preventing operation of the dock
leveler until the restraint is activated.

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PRICES FOR OPTIONS
Model Weight Price
Standard Dock Alert Models
Dock Alert 25#
Competitive Dock Alert Models
Automatic Light System* 20#
Common Dock Alert Options
Interlock Terminals (for extra leveler or door switch)
~
Door limit switch
~
Explosion Proof Controls  
Consult us
Stanchion for open dock ~
Common Vehicle Restraint Options
Powerstop Wall Mount Installation Hardware
~
Powerstop Ground Mount Installation Hardware
~
Wall or Drive Embed Plate
~
Driveway Plate (Bolt On)
~
Low Dock Pit Floor Plate (9414-0056) (Includes 4 Anchor Bolts)
~
1-2" Cantilever Bracket
~
3-4" Cantilever Bracket
~
5-6" Cantilever Bracket
~
7-8" Cantilever Bracket
~
9-10" Cantilever Bracket
~
11-12" Cantilever Bracket
~
14" Cantilever Bracket
~
Interlock Terminals (for extra leveler or door switch)
~
Door limit switch
~
Over Travel Audible Alarm
~
Edge Lights
~
Spray Metalized
~
Consult us
Remote Power Pack (hose extra)
~
$11/ft
Explosion Proof Controls
~
Consult us
Stanchion for open dock
~
Combined Controls with Leveler
~
Consult us
*Note: Door limit switch, if required, is additional.

Automatic Powerstop, Vehicle Restraint, Truck Restraint, Vehicle Restraints, and Truck Restraints from your complete source for
material handling equipment.
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