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Stop False Fire Alarms
Stop False Fire Alarms
Stopper II Alarm Activation
Stopper II Alarm Activation
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Stopper II®

Helps Prevent False Fire Alarms

This unique device has helped prevent false fire alarms around the world for more than 35 years, without restricting legitimate operation of devices. Ideal for schools, colleges, hospitals, nursing homes, hotels and all public buildings where there is a history or a threat of false fire alarms.

 

Key Features

20 Models Available

STI-1100 

STI-1100

Stopper II® with Horn Flush Mount, Fire Label
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STI-1100CR 

STI-1100CR

Stopper II® with Horn Flush Mount, Custom Label
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STI-1100NR 

STI-1100NR

Stopper II® with Horn Flush Mount, No Label
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STI-1100-ES 

STI-1100-ES

Stopper II® with Horn Flush Mount, Spanish Label
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STI-1100-FR 

STI-1100-FR

Stopper II® with Horn Flush Mount, French Label
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STI-1130 

STI-1130

Stopper II® with Horn and Clear Spacer, Fire Label
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STI-1130CR 

STI-1130CR

Stopper II® with Horn and Spacer - Clear Spacer, Custom Label
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STI-1130NR 

STI-1130NR

Stopper II® with Horn and Spacer - Clear Spacer, No Label
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STI-1130-ES 

STI-1130-ES

Stopper II® con Sirena y Espaciador Claro, Español
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STI-1130-FR 

STI-1130-FR

Stopper II® with Horn and Spacer - Clear Spacer, French Label
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STI-1200 

STI-1200

Stopper II® without Horn Flush Mount, Fire Label
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STI-1200CR 

STI-1200CR

Stopper II® without Horn Flush Mount, Custom Label
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STI-1200NR 

STI-1200NR

Stopper II® without Horn Flush Mount, No Label
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STI-1200-ES 

STI-1200-ES

Stopper II® Sin Sirena Para montaje a Ras, Español
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STI-1200-FR 

STI-1200-FR

Stopper II® without Horn Flush Mount, French Label
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STI-1230 

STI-1230

Stopper II® without Horn with Spacer, Fire Label
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STI-1230CR 

STI-1230CR

Stopper II® without Horn with Spacer, Custom Label
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STI-1230NR 

STI-1230NR

Stopper II® without Horn with Spacer, No Label
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STI-1230-ES 

STI-1230-ES

Stopper II® sin Sirena con Espaciador, Español
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STI-1230-FR 

STI-1230-FR

Stopper II® without Horn with Spacer, French Label
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Literature

Sales Data Sheet

Ramsay Horton Treatment Centre

The treatment centre was having a large number of instances where a patient or visitor was pressing the emergency call bell when attempting to locate the light switch in the…

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FeaturesStopper II® Features
Closex
Stopper II® design

Design

  • Larger sizes and surface mounted pull stations accommodated with STI-3100 conduit spacer.
  • Weather models have closed cell gaskets.
  • The Stopper II design is a registered trademark of Safety Technology International, Inc.
Stopper II® construction

Construction

  • Consists of a clear, tamperproof, tough polycarbonate shield and frame.
  • UL Listed to U.S. and Canadian safety standards (also for custom labeling).
Stopper II® installation

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).
Stopper II® electronics

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.
Stopper II® options

Options

  • Optional horn has a choice of 95/105 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.
Stopper II® other features

Other Features

  • Proven effective for more than 35 years in helping stop false fire alarms without restricting legitimate alarms.
  • Three year guarantee against breakage of polycarbonate in normal use (one year on electro mechanical and electronic components).

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