DETAILS
MEDIA
ACCESSORIES
FAQS
BUY
SHARE
STI-1100 Pull Station Cover
STI-1130 Pull Station Cover
Stop False Fire Alarms
Stop False Fire Alarms
Stopper II Alarm Activation
Stopper II Alarm Activation
+
Gallery
STI-1100 Pull Station Cover
STI-1130 Pull Station Cover
STI-1100 Pull Station Cover
STI-1130 Pull Station Cover
STI-1130NR Pull Station Cover
STI-1130CR Pull Station Cover

Stopper II®

Helps Prevent False Fire Alarms

This unique pull station cover has helped prevent false fire alarms around the world for more than 40 years, without restricting legitimate operation of devices. Ideal for schools, colleges, hospitals, nursing homes, hotels and all public buildings, the fire alarm cover helps stop false activation where there is a history or threat of misuse.

 

Key Features

42 Models Available

STI-1100 

STI-1100 Pull Station Cover

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 Pull Station Cover

STI-1130

Stopper II® with Horn and Clear Spacer, Fire Label
View Details

STI-1130CR 

STI-1130CR Pull Station Cover

STI-1130CR

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

STI-1130NR 

STI-1130NR Pull Station Cover

STI-1130NR

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

STI-1130NR-FR 

STI-1130NR-FR

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

STI-1150 

STI-1150

Stopper II® with Horn Flush Mount (Indoor/Outdoor Rated), Fire Label
View Details

STI-1150CR 

STI-1150CR

Stopper II® with Horn Flush Mount (Indoor/Outdoor Rated), Custom Label
View Details

STI-1150NR 

STI-1150NR

Stopper II® with Horn Flush Mount (Indoor/Outdoor Rated), No Label
View Details

STI-1150-ES 

STI-1150-ES

Stopper II® with Horn Flush Mount (Indoor/Outdoor Rated), Spanish Label
View Details

STI-1150-FR 

STI-1150-FR

Stopper II® with Horn Flush Mount (Indoor/Outdoor Rated), French Label
View Details

STI-1155 

STI-1155

Stopper II® with Horn and Spacer (Indoor/Outdoor Rated), Fire Label
View Details

STI-1155-ES 

STI-1155-ES

Stopper II® with Horn and Spacer (Indoor/Outdoor Rated), Spanish Label
View Details

STI-1155-FR 

STI-1155-FR

Stopper II® with Horn and Spacer (Indoor/Outdoor Rated), French Label
View Details

STI-1155CR 

STI-1155CR

Stopper II® with Horn and Spacer (Indoor/Outdoor Rated), Custom Label
View Details

STI-1155NR 

STI-1155NR

Stopper II® with Horn and Spacer (Indoor/Outdoor Rated), No Label
View Details

STI-1250 

STI-1250

Weather Stopper® without Horn Flush Mount, Fire Label
View Details

STI-1250-ES 

STI-1250-ES

Weather Stopper® sin Sirena Para Montaje a Ras, Español
View Details

STI-1250-FR 

STI-1250-FR

Weather Stopper® without Horn Flush Mount, French Label
View Details

STI-1250CR 

STI-1250CR

Weather Stopper® without Horn Flush Mount, Custom Label
View Details

STI-1250NR 

STI-1250NR

Weather Stopper® without Horn Flush Mount, No Label
View Details

STI-3150 

STI-3150

Weather Stopper® without Horn with Spacer, Fire Label
View Details

STI-3150-ES 

STI-3150-ES

Weather Stopper® sin Sirena con Espaciador, Español
View Details

STI-3150-FR 

STI-3150-FR

Weather Stopper® without Horn with Spacer, French Label
View Details

STI-3150CR 

STI-3150CR

Weather Stopper® without Horn with Spacer, Custom Label
View Details

STI-3150NR 

STI-3150NR

Weather Stopper® without Horn with Spacer, No Label
View Details

STI-3150NR-ES 

STI-3150NR-ES

Weather Stopper® without Horn with Spacer, No Label, Spanish
View Details

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…

Check out Customer Feedback
SIMILAR PRODUCTS
<
>
Universal Stopper®
Fire Alarm Covers
Protective cover prevents malicious or accidental damage to pull stations and similar devices
Weather Stopper®
Waterproof cover protects pull stations, and other devices against the ingress of dust or water
Fire Environmental Enclosures
Protective cover prolongs the life of pull stations and other devices against the effects of ranging temperatures
Break Glass Stopper®
Protects emergency keys and documents, while keeping them accessible in the event of an emergency
Call Point Stopper®
Protective cover prevents accidental damage to manual call points and electrical switches
Euro Stopper® Multi Kit
Protective cover prevents malicious or accidental damage to manual call points and electrical switches
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 “NR” (no label) or “CR” (custom label).
Stopper II® other features

Other Features

  • Proven effective for more than 40 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).