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FIRE PRODUCTS
STI Stopper II ®
KEY features
General Information
·P
roven effective for more than
30 years in helping stop false fire
alarms without restricting legitimate
alarms.
· Can be used as a guard against physical damage to a manual pull
station, with or without the optional
warning horn.
·Protect devices such as EPOs, call
boxes, telephones and emergency
shutdowns by changing the color
and messaging.
·Three year guarantee against
breakage of polycarbonate in
normal use (one year on electro
mechanical and electronic
components).
Design
·L
arger sizes and surface mounted
pull stations accommodated with
STI-3100 conduit spacer.
·Weather models have closed cell
gaskets.
ADA
Compliant
SEEADA
REVERSE
FORCompliant
DETAILS
®
STI-1100
Product Overview
This protective cover has been helping to stop false fire alarms around the world for
more than 30 years, without restricting legitimate alarms. All models offer excellent
protection against physical damage (both accidental and intentional) and several
against severe environments both inside and out. It is ideal for schools, colleges,
hospitals, nursing homes, stores, hotels and public buildings of almost every kind
where there is a threat of false alarms.
how it works
Stopper II consists of a clear, tamperproof, tough polycarbonate shield and frame, but
the line includes models with the option of a piezo horn, spacer, Form “C” dry relay
contact and gaskets. The cover accommodates most manual pull stations. When the
Stopper II with horn is lifted to gain access to the protected alarm, a piercing selfcontained 95 or 105 dB warning horn (at one foot) sounds. Immediate attention is
drawn to the area and a prankster will either run or be caught. The cover is connected
to the frame by a cable. When the cover is lifted, it drops off of the frame and a horn
will sound (models with horn) until the cover is snapped back onto the frame or for the
life of the battery.
For more information, call 1-800-888-4784 (4STI) or visit www.sti-usa.com
·The Stopper II design is a registered
trademark of Safety Technology
International, Inc.
Construction
·U
L Listed to U.S. and Canadian
safety standards (also for custom
labeling).
Installation
· When covering a pull station
outside, UL requires stations to be
listed for outdoor use.
·Typical working properties of
polycarbonate are -40° to 250°F
(-40° to 121°C).
Electronics
·Power source is a 9V DC alkaline
battery included on standard
Stopper II (remote powered unit
available).
·“RC” models include one Form “C”
dry relay contact and are capable
of operating from 9-24V DC remote
power or 9V DC battery power.
Options
·Optional horn has a choice of 95 or
105 dB at one foot.
·Standard red units have “In Case
of Fire...” label unless specified with
“no label” or “custom label” (extra
charge for custom label).
·Horn housing is available in red,
blue, green or yellow with optional
custom labeling.
STI Stopper II ®
Dimensions and Technical Information
models available
approvals & warranty
Stopper II Models Indoor Use
With horn for flush mount
STI-1100 STI-1130 With horn and spacer
STI-1200 Without horn flush mount
STI-1230 Without horn with spacer
TESTING
It has been tested and approved or listed by:
· UL/cUL Listed No. S2466
· For fire alarm applications, UL38 requires outdoor listed stations
for outdoor use
· Factory Mutual No. OG6A2.AY (STI-1100 and STI-1130 only)
· State of California (obtain local fire marshal approval)
· MEA 49-00-E (STI-1200)
· Flush models ADA Compliant. Surface models ADA Compliant
for operation (UL Certified No. S2466)
·IP44
·The indoor/outdoor rated station covers, when mounted on a smooth surface, provide a rain tight seal similar to a 3R
enclosure rating.
®
Weather Stopper ® with gaskets
(Indoor/Outdoor rated)
STI-1150 Stopper II with horn flush mount
STI-1155 Stopper II with horn and spacer
STI-1250 STI-1200 flush mount and gasket
STI-3150 STI-1200 with spacer and gaskets
Accessories
STI-3100
2” conduit spacer with 1/2” conduit entry (no
3 3in.(76mm)
in.(76mm)
gaskets included)
AA
4 in.(102mm)
in.(102mm)
STI-3104 2” conduit 4spacer
with 3/4” conduit entry
BB
5 5in.(127mm)
CC
in.(127mm)
(includes one
3/4” conduit entry Dgasket)
D
5.5
STI-1102 Replacement
horn for cover with
E E alarm
5.5in.(140mm)
in.(140mm)
CUSTOM-LBL Custom text message for horn housing
STI-1280 Backplate5.5for
Stopper II and Weather
Stopper
STI-3100
SPACER
STI-3100
SPACER
5.5in.(140mm)
in.(140mm)
ADDS
ADDS2"2"DEPTH(51mm)
DEPTH(51mm)
series
ALL
ALLMODELS
MODELSEND
ENDVIEW
VIEW
3.2
3.2in.in.
A A (81mm)
(81mm)
2.75
2.75in.in. WARRANTY
B B (70mm)
(70mm)
COVER
2.375in.in. Three year guarantee against breakage of polycarbonate in
C C 2.375
(60mm)
(60mm) normal use (one year on electro mechanical and electronic
5.37 in.
1.625
3.175 in.
1.625in.in. components).
D DHORN
HOUSING
(137mm)
(41mm)
(41mm)
(81mm)
1 in.
.75
in.
E E .75 in.
(25mm)
(19mm)
(19mm)
6 in.
(152mm)
Stopper II “FIRE” models
are intended to be used in areas where
COVER
HORN
HORNHOUSING
HOUSING
HORN HOUSING
COVER
COVER
5.37 in.
(137mm)
5.5
5.5in.(140mm)
in.(140mm)
3.175 in.
(81mm)
1 in.
(25mm)
3.2
3.2in.(81mm)
in.(81mm)
6 in.
6.2
6.2in.(158mm)
in.(158mm)
(152mm)
SPACER
SPACER
SPACER
2 in.
2 2in.(51mm)
in.(51mm)
(51mm)
8.5
8.875
in.
8.5in.(216mm)
in.(216mm)
(225mm)
OPTIONAL
OPTIONALSTIST
RELAY
RELAYBO
B
important notice
the incidence of false fire alarms from manual pull stations is high or
2 in.
has proven to be a serious
8.875 in.problem. Any disadvantage of this device
SPACER
(51mm)
(225mm)
is more than balanced
when one considers the consequences of
false fire alarms, especially if fire service personnel and equipment
are responding to a false fire alarm when they are needed for a real
fire somewhere else. Add to this the disruption to the facility when
COVER alarms occur. If you have, or may have, a problem with false
false
fire alarms or physical/weather damage to your fire alarm activation
5.34 in.
3.175 in.
devices, the Stopper II (136mm)
could prove invaluable.
+9, 12
* RED
* RED +9, 1
BLACK-9,-9,1
* *BLACK
GREEN
GREEN
WHITE
WHI
(81mm)
.5 in.
*WARNING: ! For RC models: UL Listing does (13mm)
not permit relay
7.4 in.
contacts to connect to (188mm)
the
fire alarm or a life safety function.
The power supply for horns, according to UL Listing, cannot
Listed fire alarm system.2 For
in. electrical
SPACER be connected to a UL8.875
in.
(51mm) one set of Form
specifications see install
book. RC models contain
(225mm)
“C” dry contacts. Contacts rated 30 VAC/VDC 1 amp.
SIDE
SIDEVIEW
VIEW
MODELS
MODELSWITH
WITHHORN
HORN(STI-1100
(STI-1100Series)
Series)
SURFACE MOUNT
WITH OPTIONS COVER
5.34 in.
(136mm)
6.5
6.5in.(165mm)
in.(165mm)
K-OUT (2) PROVIDED
F CONDUIT IS NOT NEEDED
COVER
COVER
KET (USE WITH 1/2 in. CONDUIT)
KET (USE WITH 3/4 in. CONDUIT
SPACER)
7.4 in.
(188mm)
7.0
7.0in.(178mm)
in.(178mm)
CONDUIT SPACER
WITH SUB-316
SPACER
OOR USE OR ADDITIONAL
SPACER
SPACER
ON DRILL 5 HOLES 1/8” DIAMETER
UNTING
3 in.
(76mm)
4 in.
3 in.(76mm)
(102mm)
5 in.
3.175 in.
(81mm)
.5 in.
3.2
(13mm)
3.2in.(81mm)
in.(81mm)
4 in.(102mm)
5.5 in. (127mm)
5 in.(127mm)
(140mm)
5.5 in.(140mm)
6.81 in.
5.5(173mm)
in.(140mm)
2 in.
2 2in.(51mm)
in.(51mm)
(51mm)
in.
8.5
in.(216mm)
8.58.875
in.(216mm)
(225mm)
3.18 in.
D
E
C
3.2
in. in. (81mm)
2.73
A (81mm)
2.32 in. (70mm)
A
2.75 in.
B (70mm)
(59mm)
B1.61 in.
(41mm)
C 2.375 in.
(60mm)
D 1.625 in.
.78 in.
(20mm)
(41mm)
SPACER
ADDS
in.
(50mm)
E .75
STI-3100 SPACER 2” DEPTH
ADDS 2" DEPTH(51mm)
WALL
WALL
(19mm)
ALL MODELS END VIEW
SIDE
SIDEVIEW
VIEW
MODELS
MODELSWITHOUT
WITHOUTHORN
HORN(STI-1200
(STI-1200AND
ANDSTI-3150
STI-3150Series)
Series)
3 in.
3.18 in.
(76mm)
2.73 in. (81mm)
4 in. 3 3in.(76mm)
in.(76mm)
(70mm)
EXTERNAL DIMENSIONS:
Flush 7.2 W x 10.2 H x 3.3
2.32 D
in. in. (183x259x84mm)
(102mm) •5 in.
3.2
SCREW WITH SPACER
3.2in.(81mm)
in.(81mm)
1.61
in. (59mm)
HORN HOUSING
5.5 in. 5(127mm)
•in.(127mm)
Surface 7.2 W x 10.2
H x 5.5 D in. (183x259x140mm)
5in.(127mm)
(41mm)
(140mm)
COVER
COVER
COVER
SPACER
SPACER
5.5
6.81
in.in.(140mm)
5.5
in.(140mm)
(173mm)
.78 in.
SPACER ADDS
(20mm)
2 2in.(51mm)
in.(51mm)
2” DEPTH (50mm)
ALL
ALLMODELS
MODELSEND
ENDVIEW
VIEW
2306 Airport Road
Waterford, Michigan
48327, USA
OF RELAY CONTACT
5.5 in.(140mm)
3.2 in.(81mm)
6.2 in.(158mm)
Unit 49G Pipers Road
Tel: 248-673-9898
SPACER
8.5 in.(216mm)
Park Farm Industrial Estate
Fax:
248-673-1246
2 in.(51mm)
Redditch, Worcestershire
Toll-free: 800-888-4784
OHU England
info@sti-usa.com
SIDEB98
VIEW
www.sti-usa.com
MODELS WITH HORN (STI-1100 Series)
10.07 in.
(256mm)
Tel: 44 (0) 1527 520 999
STI-1280
BACKPLATE
STI-1280
BACKPLATE
Fax: 44 (0) 1527
501 999
STI
Free: 0800*NOTE:
085 1678
(UK) USING
*NOTE:
STISUGGESTS
SUGGESTS
USINGTHE
THE
STI-1280
STI-1280BACKPLATE
BACKPLATEFOR
FORWEATHER
WEATHERUNITS
UNITS
www.sti-europe.com
OR WHEN MOUNTED ON AN UNEVEN SURFACE.
OR WHEN MOUNTED ON AN UNEVEN SURFACE.
FOR
FORRETROFIT
RETROFITAPPLICATIONS,
APPLICATION
CUT
CUTGASKET
GASKET
THEBOTTOM
BOTTOMTOT
to change without notice.
04/11ATATTHE
7.23Subject
in.
INSTALL
BEHIND
CONDUIT
INSTALL
BEHIND
CONDU
(184mm)
Printed in U.S.A., © 1987-2009 Safety Technology International, Inc.
COVER
6.5 in.(165mm)