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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 backbox 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.
Unit of Measure

Specifications

Box Type

 N/A Stopper II® with 4 in. Deep Backbox

Typical Working Temperature

 N/A -40 to 250 ºF-40 to 121 ºC

Dimensions

Overall Width

 N/A 9.03 in229 mm

Overall Height

 N/A 10.32 in262 mm

Overall Depth

 N/A 7.62 in194 mm

Approvals and Warranty

Warranty1 N/A 3 y

Testing

 N/A 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.

Key Features

General Information

 N/A
  • 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.

Design

 N/A
  • 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

 N/A
  • The thick, clear polycarbonate cover is UV-stabilized.

Installation

 N/A Typical working properties of polycarbonate are -40 º to 250 ºF (-40 º to 121 ºC).

Options

 N/A
  • Comes standard with an "In Case of Fire - Lift Cover Pull Fire Alarm" label.
  • Custom label available for a fee.

How It Works

How It Works

 N/A 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.
  • 1 Three year guarantee against breakage of polycarbonate in normal use.