STI will be closed Monday, May 28.
x
Language and International site

Search Site

Advanced search

Customize Site

Visit Global Sites

View Literature

Design Features | Literature | Approvals | Accessories | Similar Products

STI Products

Stopper II®

Description

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.

20 Models Available

STI-1100 

STI-1100

Stopper II® with Horn Flush Mount, Fire Label

view details >

STI-1100CR 

STI-1100CR

Stopper II® with Horn Flush Mount, Custom Label

view details >

STI-1100NR 

STI-1100NR

Stopper II® with Horn Flush Mount, No Label

view details >

STI-1100-ES 

STI-1100-ES

Stopper II® with Horn Flush Mount, Spanish Label

view details >

STI-1100-FR 

STI-1100-FR

Stopper II® with Horn Flush Mount, French Label

view details >

STI-1130 

STI-1130

Stopper II® with Horn and Clear Spacer, Fire Label

view details >

STI-1130CR 

STI-1130CR

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

view details >

STI-1130NR 

STI-1130NR

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

view details >

STI-1130-ES 

STI-1130-ES

Stopper II® con Sirena y Espaciador Claro, Español

view details >

STI-1130-FR 

STI-1130-FR

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

view details >

STI-1200 

STI-1200

Stopper II® without Horn Flush Mount, Fire Label

view details >

STI-1200CR 

STI-1200CR

Stopper II® without Horn Flush Mount, Custom Label

view details >

STI-1200NR 

STI-1200NR

Stopper II® without Horn Flush Mount, No Label

view details >

STI-1200-ES 

STI-1200-ES

Stopper II® Sin Sirena Para montaje a Ras, Español

view details >

STI-1200-FR 

STI-1200-FR

Stopper II® without Horn Flush Mount, French Label

view details >

STI-1230 

STI-1230

Stopper II® without Horn with Spacer, Fire Label

view details >

STI-1230CR 

STI-1230CR

Stopper II® without Horn with Spacer, Custom Label

view details >

STI-1230NR 

STI-1230NR

Stopper II® without Horn with Spacer, No Label

view details >

STI-1230-ES 

STI-1230-ES

Stopper II® sin Sirena con Espaciador, Español

view details >

STI-1230-FR 

STI-1230-FR

Stopper II® without Horn with Spacer, French Label

view details >

20 Models Available

STI-1100

Stopper II® with Horn Flush Mount, Fire Label

view details >

STI-1100CR

Stopper II® with Horn Flush Mount, Custom Label

view details >

STI-1100NR

Stopper II® with Horn Flush Mount, No Label

view details >

STI-1100-ES

Stopper II® with Horn Flush Mount, Spanish Label

view details >

STI-1100-FR

Stopper II® with Horn Flush Mount, French Label

view details >

STI-1130

Stopper II® with Horn and Clear Spacer, Fire Label

view details >

STI-1130CR

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

view details >

STI-1130NR

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

view details >

STI-1130-ES

Stopper II® con Sirena y Espaciador Claro, Español

view details >

STI-1130-FR

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

view details >

STI-1200

Stopper II® without Horn Flush Mount, Fire Label

view details >

STI-1200CR

Stopper II® without Horn Flush Mount, Custom Label

view details >

STI-1200NR

Stopper II® without Horn Flush Mount, No Label

view details >

STI-1200-ES

Stopper II® Sin Sirena Para montaje a Ras, Español

view details >

STI-1200-FR

Stopper II® without Horn Flush Mount, French Label

view details >

STI-1230

Stopper II® without Horn with Spacer, Fire Label

view details >

STI-1230CR

Stopper II® without Horn with Spacer, Custom Label

view details >

STI-1230NR

Stopper II® without Horn with Spacer, No Label

view details >

STI-1230-ES

Stopper II® sin Sirena con Espaciador, Español

view details >

STI-1230-FR

Stopper II® without Horn with Spacer, French Label

view details >

20 Models Available

STI-1100

Stopper II® with Horn Flush Mount, Fire Label

view details >

STI-1100CR

Stopper II® with Horn Flush Mount, Custom Label

view details >

STI-1100NR

Stopper II® with Horn Flush Mount, No Label

view details >

STI-1100-ES

Stopper II® with Horn Flush Mount, Spanish Label

view details >

STI-1100-FR

Stopper II® with Horn Flush Mount, French Label

view details >

STI-1130

Stopper II® with Horn and Clear Spacer, Fire Label

view details >

STI-1130CR

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

view details >

STI-1130NR

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

view details >

STI-1130-ES

Stopper II® con Sirena y Espaciador Claro, Español

view details >

STI-1130-FR

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

view details >

STI-1200

Stopper II® without Horn Flush Mount, Fire Label

view details >

STI-1200CR

Stopper II® without Horn Flush Mount, Custom Label

view details >

STI-1200NR

Stopper II® without Horn Flush Mount, No Label

view details >

STI-1200-ES

Stopper II® Sin Sirena Para montaje a Ras, Español

view details >

STI-1200-FR

Stopper II® without Horn Flush Mount, French Label

view details >

STI-1230

Stopper II® without Horn with Spacer, Fire Label

view details >

STI-1230CR

Stopper II® without Horn with Spacer, Custom Label

view details >

STI-1230NR

Stopper II® without Horn with Spacer, No Label

view details >

STI-1230-ES

Stopper II® sin Sirena con Espaciador, Español

view details >

STI-1230-FR

Stopper II® without Horn with Spacer, French Label

view details >

Key Features

Key Features: 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.

Key Features: Construction

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

Key Features: 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).

Key Features: 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.

Key Features: 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.

Key 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).

Key Features

Key Features: 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.

Key Features: Construction

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

Key Features: 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).

Key Features: 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.

Key Features: 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.

Key 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).
  1. Design
  2. Construction
  3. Installation
  4. Electronics
  5. Options
  6. Other Features

Literature

Sales Data Sheet
Spec sales - english Spanish Spec sales - spanish
Installation Sheet
Install install - english Spanish Install install - spanish

Approvals

cULus, BSA, MEA, ADA

*Approvals vary by model. See data sheets.

Is this model available with a UL listing? contact sales for details.

Testimonials

"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 […]"

Barry Coates , Stopper II® Testimonial
Ramsay Horton Treatment Centre
view more >

Accessories

KIT-H19015

Two 3/16" Allen Wrenches

view details >

BAT-9VDC

9 Volt Battery

view details >

STI-1102

Stopper II® Replacement Horn Kit

view details >

STI-1102-ES

Stopper II® Replacement Horn Kit - Spanish Label

view details >

STI-1102-FR

Stopper II® Replacement Horn Kit - French Label

view details >

STI-1280

Backplate for Stopper II® and Weather Stopper® series

view details >

STI-3002

Weather Gasket for Stopper II® and Weather Stopper® series

view details >

STI-3003

Conduit Gasket for Stopper II® and Weather Stopper® series

view details >

STI-3004

Rigid Conduit Gasket for Stopper II® (3/4" or 1/2" pipe) and Weather Stopper® series

view details >

STI-3100

Conduit Spacer - Clear for Stopper II® and Weather Stopper® series

view details >

STI-3104

Large Conduit Spacer - Clear

view details >

KIT-316

Louvers for STI-3100 Conduit Spacer

view details >

KIT-900

Conduit Spacer - Clear

view details >

KIT-900-R

2" Spacer - Red

view details >

KIT-M02002

Clear Frame for Stopper II®

view details >

KIT-H19015

Two 3/16" Allen Wrenches

view details >

BAT-9VDC

9 Volt Battery

view details >

STI-1102

Stopper II® Replacement Horn Kit

view details >

STI-1102-ES

Stopper II® Replacement Horn Kit - Spanish Label

view details >

STI-1102-FR

Stopper II® Replacement Horn Kit - French Label

view details >

STI-1280

Backplate for Stopper II® and Weather Stopper® series

view details >

STI-3002

Weather Gasket for Stopper II® and Weather Stopper® series

view details >

STI-3003

Conduit Gasket for Stopper II® and Weather Stopper® series

view details >

STI-3004

Rigid Conduit Gasket for Stopper II® (3/4" or 1/2" pipe) and Weather Stopper® series

view details >

STI-3100

Conduit Spacer - Clear for Stopper II® and Weather Stopper® series

view details >

STI-3104

Large Conduit Spacer - Clear

view details >

KIT-316

Louvers for STI-3100 Conduit Spacer

view details >

KIT-900

Conduit Spacer - Clear

view details >

KIT-900-R

2" Spacer - Red

view details >

KIT-M02002

Clear Frame for Stopper II®

view details >

KIT-H19015

Two 3/16" Allen Wrenches

view details >

BAT-9VDC

9 Volt Battery

view details >

STI-1102

Stopper II® Replacement Horn Kit

view details >

STI-1102-ES

Stopper II® Replacement Horn Kit - Spanish Label

view details >

STI-1102-FR

Stopper II® Replacement Horn Kit - French Label

view details >

STI-1280

Backplate for Stopper II® and Weather Stopper® series

view details >

STI-3002

Weather Gasket for Stopper II® and Weather Stopper® series

view details >

STI-3003

Conduit Gasket for Stopper II® and Weather Stopper® series

view details >

STI-3004

Rigid Conduit Gasket for Stopper II® (3/4" or 1/2" pipe) and Weather Stopper® series

view details >

STI-3100

Conduit Spacer - Clear for Stopper II® and Weather Stopper® series

view details >

STI-3104

Large Conduit Spacer - Clear

view details >

KIT-316

Louvers for STI-3100 Conduit Spacer

view details >

KIT-900

Conduit Spacer - Clear

view details >

KIT-900-R

2" Spacer - Red

view details >

KIT-M02002

Clear Frame for Stopper II®

view details >

Similar Products

Universal Stopper®
Fire Covers

Protective cover prevents malicious or accidental damage to pull stations and similar devices. Replacement for Mini Stopper series.

view products >

Weather Stopper®

Waterproof cover protects pull stations, and other devices against the ingress of dust or water

view products >

Fire Environmental Enclosures

Protective cover prolongs the life of pull stations and other devices against the effects of ranging temperatures

view products >

Break Glass Stopper®

Protects emergency keys and documents, while keeping them accessible in the event of an emergency

view products >

Call Point Stopper®

Protective cover prevents accidental damage to manual call points and electrical switches

view products >

Euro Stopper® Multi Kit

Protective cover prevents malicious or accidental damage to manual call points and electrical switches

view products >

Universal Stopper®
Fire Covers

Protective cover prevents malicious or accidental damage to pull stations and similar devices. Replacement for Mini Stopper series.

view products >

Weather Stopper®

Waterproof cover protects pull stations, and other devices against the ingress of dust or water

view products >

Fire Environmental Enclosures

Protective cover prolongs the life of pull stations and other devices against the effects of ranging temperatures

view products >

Break Glass Stopper®

Protects emergency keys and documents, while keeping them accessible in the event of an emergency

view products >

Call Point Stopper®

Protective cover prevents accidental damage to manual call points and electrical switches

view products >

Euro Stopper® Multi Kit

Protective cover prevents malicious or accidental damage to manual call points and electrical switches

view products >

Universal Stopper®
Fire Covers

Protective cover prevents malicious or accidental damage to pull stations and similar devices. Replacement for Mini Stopper series.

view products >

Weather Stopper®

Waterproof cover protects pull stations, and other devices against the ingress of dust or water

view products >

Fire Environmental Enclosures

Protective cover prolongs the life of pull stations and other devices against the effects of ranging temperatures

view products >

Break Glass Stopper®

Protects emergency keys and documents, while keeping them accessible in the event of an emergency

view products >

Call Point Stopper®

Protective cover prevents accidental damage to manual call points and electrical switches

view products >

Euro Stopper® Multi Kit

Protective cover prevents malicious or accidental damage to manual call points and electrical switches

view products >

Share

Join Our Newsletter