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Break Glass Stopper®

Helps Prevent Wrongful Use

Accepted by many fire marshals, these versions of the world famous STI Stopper II® are designed for areas where a ”break glass” cover is specified, such as unsupervised areas. Each device consists of a red polycarbonate cover, mounting frame, a pane of single-strength clear glass (easily replaced when broken), a glass-breaking bar, screws and anchors for installation. Gaskets are also available to improve weather resistance.

 

Key Features

19 Models Available

STI-4100 

STI-4100

Break Glass Stopper® - Large
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STI-4100-FR 

STI-4100-FR

Break Glass Stopper® - Large, French Labeling
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STI-4130 

STI-4130

Break Glass Stopper® - Large with Spacer
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STI-4130-ES 

STI-4130-ES

Break Glass Stopper® - Large with Spacer, Spanish
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STI-4130-FR 

STI-4130-FR

Break Glass Stopper® Large with Spacer, French Labeling
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STI-6100 

STI-6100

Break Glass Stopper® - Small
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STI-6100-ES 

STI-6100-ES

Break Glass Stopper® - Small, Spanish
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STI-6100-FR 

STI-6100-FR

Break Glass Stopper® - Small, French
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STI-6700 

STI-6700

Break Glass Stopper® - Keys Under Glass
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STI-6720 

STI-6720

Break Glass Stopper® - Keys Under Plexiglas®
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STI-6700-ES 

STI-6700-ES

Break Glass Stopper® - Keys Under Glass, Spanish
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STI-6700-FR 

STI-6700-FR

Break Glass Stopper® - Keys Under Glass, French
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STI-4100EM 

STI-4100EM

Break Glass Stopper® - Large, Emergency
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STI-4100EM-ES 

STI-4100EM-ES

Break Glass Stopper® - Large, Emergency, Spanish
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STI-4100EM-FR 

STI-4100EM-FR

Break Glass Stopper® - Large, Emergency, French
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STI-4130EM 

STI-4130EM

Break Glass Stopper® - Large with Spacer, Emergency
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STI-4130EM-ES 

STI-4130EM-ES

Break Glass Stopper® - Large with Spacer, Emergency, Spanish
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STI-4130EM-FR 

STI-4130EM-FR

Break Glass Stopper® - Large with Spacer, Emergency, French
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STI-4100-ES 

STI-4100-ES

Break Glass Stopper® - Large, Spanish
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FeaturesBreak Glass Stopper® Features
Closex
Break Glass Stopper® design

Design

  • Designed for areas where a “break glass” cover is specified such as unsupervised areas.
  • Glass replacement is simple. Suggestion: Order extra panes with each unit, for immediate replacement.
Break Glass Stopper® construction

Construction

  • Housing is molded of tough polycarbonate material.
Break Glass Stopper® installation

Installation

  • Fast, easy installation.
  • Typical working properties of polycarbonate are -40° to 250°F (-40° to 121°C).
Break Glass Stopper® options

Options

  • Gaskets available to improve weather resistance.
Break Glass Stopper® other features

Other Features

  • Fire alarm remains clearly visible and accessible.
  • Aesthetically appealing.
  • Accepted by many fire marshals. Obtain local fire marshal approval prior to installation.
  • Three year guarantee against breakage of polycarbonate in normal use.

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