FS Industries ENGINEERED STEEL PRODUCTS
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20 Technology Way West Greenwich, RI 02817
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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)
• Unique Dual Locking Restraint Arm
   To Minimize “Trailer Creep”
• Optional 10” Profile, Single Hook
   Design
• Restraining Force In Excess of
   30,000 lb Average
• Remote Power Pack with Translucent
   Reservoir
• Designed to Accommodate Rear
   Impact Guard (RIG) Outlined in 1998
   NHTSA Regulation
• Interlock Terminals
• Override Selector Switch
• Protective Debris Guard
• Industrial Powder Coated Finish
• 1 Year Parts & Labor Warranty
The Fully Automatic POWERSTOP Vehicle Restraint is value engineered to meet both application and
budget constraints while maximizing productivity, optimizing efficiency and improving safety. The PowerStop
Series restraint is designed to comply with NHTSA 1998 Rear Impact Guard (RIG) standard.
Combine with Your Dock Leveler
The Automatic PowerStop vehicle restraint
can be integrated into a single control
enclosure with your air powered or
hydraulic leveler. Optional interconnections
can assure proper procedures and enhance
safety at the loading dock.
Effective Communication
The Dock Alert communication system,
standard with the PowerStop Series restraint,
fosters an extremely safe and efficient loading
dock environment by establishing a clear line
of communication between truck drivers and
dock personnel.
The inside control panel and exterior
compact light package incorporate
instinctive red and green signals which
work in opposing modes. A green light
outside guides a backing truck into the
dock position while a red light inside
warns the dock attendant that loading/
unloading conditions are not safe. Once
the PowerStop has secured the vehicle,
the lights will switch to green inside and
red outside, informing the truck drive to
not move and indicating a safe condition
for the attendant.

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Prices for Powerstop AAL (Automatic Restraint, Automatic Lights)
Model Weight Price
Powerstop AAL (Automatic Restraint, Automatic Lights) 420# $5,131

SPECIFICATIONS
GENERAL DESCRIPTION: HOOKING RANGE AND CAPACITY:
The PowerStop-AAL restraint system is designed to
withstand a pulling force in excess of 30,000 lb.
(average), giving an added margin of safety and pro-
tection. Maximum operational range is 10” horizontally
from face of dock bumpers, and 12” minimum to 29.5”
maximum vertically. Additional ranges are available for
certain applications.
PowerStop-AAL vehicle restraints are designed to secure
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 instructional
signs.
EXTERIOR LIGHTS:
CONSTRUCTION:
Low profile, traffic style, incan-
descent red, and green lights
are standard for communi-
cation to truck driver. A set
of caution signs warns truck
driver to “Back In or Pull
Out On Green Light Only”.
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 bellow
style cover to eliminate the accumulation of debris. Once
activated, the PowerStop-AAL extends upward to the
RIG. The uniquely designed dual locking restraint arm
minimizes “trailer creep”, securing the trailer with over
30,000 lb. (average) of pull-out force. The fully automatic
PowerStop AAL is affordable and easy to install. It is
ideal for all manufacturing, warehouse and distribution
applications.
ELECTRICAL:
The PowerStop-AAL
vehicle restraint is available as a stand alone unit or
combined electrically 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
12 enclosure. All electrical control panel components,
connections and wiring are UL listed/ recognized. Please
Note: Unless specifically noted on quotation, all electrical
requirements, including mounting of control box, outside
lights and signs, are the responsibility of others.
PowerStop-AAL Panel Shown 12”
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 depresses the
“Engage” button. The PowerStop-AAL 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 confirm that the restraint has engaged
the horizontal member of the RIG. After the loading is
complete, the operator depresses 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.
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 “By-Pass” of the system is necessary, it is re-
commended that you secure the trailer by other means
before proceeding with the loading/unloading process.
In “By-Pass” mode, the exterior light is red, and the
interior light is green.
HYDRAULICS:
The PowerStop-AAL is a hydraulically actuated restraint
with a Dock Alert™ communication system. The
PowerStop-AAL vehicle restraint raises vertically to find
and maintain a hold on the RIG of truck throughout
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.
Optional Equipment for PowerStop-AAL
Vehicle Restraint
• Standard 24" Hose Length
• Extended Hose Length
• Dock Leveler Interlock
• Additional Interlock Terminals
• L.E.D. Interior Lights Only
• L.E.D. Interior & Exterior Lights
• Limit Switch for Door Interlock
• Integrated Control Panel (effects panel size)
• Cantilever Bracket
• Low Profile 10" (single stage hook)
• Embed Plate - Wall or Drive
• Anchor Pkg. - Wall or Drive
• Control Stanchion for Open Dock
• Key Lock Override Switch
HOOKING RANGE AND CAPACITY
The PowerStopAAL restraint system is designed to
withstand a pulling force in excess of 30,000 lb. (average),
giving an added margin of safety and protection. Maximum
operational range is 10” horizontally from face of dock
bumpers, and 12” minimum to 29.5” maximum vertically.
Additional ranges are available for certain applications.

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Click the Price of the item you wish to purchase.

PRICES FOR OPTIONS
Model Weight Price
Standard Dock Alert Models
Dock Alert 25#
Optional LED Version 25#
Competitive Dock Alert Models
Automatic Light System* 20#
Optional LED Version 20#
Common Dock Alert Options
Interlock Terminals (for extra leveler or door switch)
~
Door limit switch
~
L.E.D. Inside Lights Only
~
No Charge
L.E.D. Outside Lights Only
~
Key Locks in lieu of selector Switch (price each where applicable) ~
Explosion Proof Controls  
Consult us
Stanchion for open dock ~
Common Vehicle Restraint Options
Ground Mount Installation Hardware (two (2) chemical anchors & adhesive
Two (2) expansion anchors**
~
Wall/Ground Mount Installation Hardware (Expansion Anchors)
~
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
~
15" Cantilever Bracket
~
Interlock Terminals (for extra leveler or door switch)
~
Door limit switch
~
Over Travel Audible Alarm
~
L.E.D. Outside Lights Only
~
Lights Off Selector Switch
~
Key Locks in lieu of selector Switch (price each where applicable)
~
Spray Metalized
~
Consult us
Remote Power Pack (hose extra)
~
$8/ft
Explosion Proof Controls
~
Consult us
Stanchion for open dock
~
Combined Controls with Leveler
~
Consult us
*Note: Door limit switch, if required, is additional.
**Specify concrete depth.

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