Safety Technology International STI-1155NR


Stopper II With Horn & Spacer Indoor/Outdoor, No Label Included

Availability: Please Call for Lead Time

  • Factory New
Brand: Safety Technology International Part #: 10522 Categories: , , Manufacturer Part #: STI-1155NR


This protective cover has been helping to stop false fire alarms around the world for more than 35 years, without restricting legitimate alarms. all models offer excellent protection against physical damage (both accidental and intentional) and several against severe environments both inside and out. It is ideal for schools, colleges, hospitals, nursing homes, stores, hotels and public buildings of almost every kind where there is a threat of false alarms.


Weight 1.00 lbs



  • Cover is UV-stabilized.
  • Designed for outdoor use.
  • 95 or 105 dB self-contained alarm. Complete with battery.
  • STI-1155NR is for surface mount pull stations (flush mount – see STI-1150NR).
  • The Stopper II design is a registered trade mark of Safety Technology International, Inc.
  • UL Listed to U.S. and Canadian safety standards (for standard and custom labeling).
  • Typical working properties of polycarbonate are -40º to 250ºF (-40º to 121ºC).


STI Stopper II
Safety Technology International – Data Sheet