Safety Technology International STI Stopper II with “A” Back Box Data Sheet
FIRE PRODUCTS
®
STI STOPPER II
WITH “A” BACK BOX
ADA
Compliant
®
STI-1200A
PRODUCT OVERVIEW
This protective cover has been helping stop malicious and accidental false fire alarms
around the world for over 35 years, without restricting legitimate alarms. This version
of the Stopper II has a four inch deep enclosed back box which allows it to be installed
in wet or wash down areas (such as kitchens, cafeterias, meat packing plants,
showers, outdoors, etc.). It helps protect against physical damage (both accidental and
intentional), dirt and grime. The enclosure is not locked which makes it easy to open
for legitimate operation.
HOW IT WORKS
STI-1200A consists of a clear, tamperproof, tough polycarbonate shield, a housing for
an instructional operation label, gasket, conduit hub and a four inch deep backbox.
The standard STI-1200A accommodates most manual pull stations and is marked with
an “In Case of Fire” message, but can be custom labeled and used to protect other
devices. The cover allows an outdoor rated addressable manual pull station to be
installed in wash down areas.
KEY FEATURES
General Information
· Proven effective for more than
35 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.
· Three year guarantee against
breakage of polycarbonate in
normal use.
Design
· Cover includes four inch deep back
box.
· Not locked, easy to open.
· The Stopper II design is a registered
trademark of Safety Technology
International, Inc.
Construction
· UL Listed, ADA Compliant for
operation.
· The thick, clear polycarbonate
cover is UV-stabilized.
Ins
tallation
· Typical working properties of
polycarbonate are -40° to 250°F
(-40° to 121°C).
Options
· Comes standard with an “In Case
of Fire - Lif t Cover Pull Fire Alarm”
label.
· Custom label available for a fee.
STI Stopper II®with “A” Back Box
4
5
8
12
7
9
13
11
10
14
15
18
1
3
6
2
16
17
IMPORTANT NOTE: FOR WET OR WASHDOWN AREAS,
STI RECOMMENDS DRILLING (2) 1/8 in.(3mm)
DIAMETER WEEP HOLES IN THIS AREA TO PREVENT
THE BUILD-UP OF WATER INSIDE THE ENCLOSURE WHICH
MAY CAUSE DAMAGE TO ELECTRONIC COMPONENTS
19
AVIS IMPORTANT: DANS LE CAS DES ZONES HUMIDES OU
À APPLICATIONS SANITAIRES, STI RECOMMANDE LE
PERÇAGE DANS CES ZONES DE DEUX (2) BARBACANES
DE 1/8 PO (3 MM) DE DIAMÈTRE AFIN D’ÉVITER
L’ACCUMULATION D’EAU DANS LE BOÎTIER, CE QUI RISQUE
D’ENDOMMAGER LES COMPOSANTS ÉLECTRONIQUES
9.03 in.
(229mm)
8.41 in.
(213mm)
10.32 in.
(262mm)
9.89 in.
(251mm)
4.33 in.
(110mm)
6.37 in.
(162mm)
5.58 in.
(142mm)
7.62 in.
(194mm)
4.32 in.
(110mm)
2.72 in. (69mm)
4.49 in.
(114mm)
4.12 in.
(105mm)
A
A
Dimensions and Technical Information
MODEL AVAILABLE
ST I -12 00A Stopper II with 4 inch deep back box
APPROVALS & WARRANTY
TESTING
It has been tested and approved or listed by:
· Underwriter Laboratories No. S2466.
· ADA Compliant.
· The station cover, when mounted on a smooth surface,
provides a rain tight seal similar to a 3R enclosure rating.
WARRANTY
Three year guarantee against breakage of polycarbonate in
normal use.
9.03 in.
(229mm)
8.41 in.
5.58 in.
4.33 in.
A
(110mm)
(194mm)
7.62 in.
9.89 in.
(251mm)
10.32 in.
(262mm)
(213mm)
6.37 in.
(162mm)
2.72 in. (69mm)
A
(142mm)
4.12 in.
4.49 in.
(105mm)
(114mm)
A-A
IMPORTANT NOTE: FOR WET OR WASHDOWN AREAS,
STI RECOMMENDS DRILLING (2) 1/8 in.(3mm)
DIAMETER WEEP HOLES IN THIS AREA TO PREVENT
THE BUILD-UP OF WATER INSIDE THE ENCLOSURE WHICH
MAY CAUSE DAMAGE TO ELECTRONIC COMPONENTS
AVIS IMPORTANT: DANS LE CAS DES ZONES HUMIDES OU
À APPLICATIONS SANITAIRES, STI RECOMMANDE LE
PERÇAGE DANS CES ZONES DE DEUX (2) BARBACANES
DE 1/8 PO (3 MM) DE DIAMÈTRE AFIN D’ÉVITER
L’ACCUMULATION D’EAU DANS LE BOÎTIER, CE QUI RISQUE
D’ENDOMMAGER LES COMPOSANTS ÉLECTRONIQUES
4.32 in.
(110mm)
Printed in U.S.A., © 1987-2020 Safety Technology International, Inc.
10 /17Subject to change without notice.
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