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sti select-alert alarm mini controller, blue;sti sti-sa5000-b select-alert mini controller, alarm & strobe, 32 tones, blue
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sti stopper ii sti-1155;sti sti-1155 stopper ii with horn and spacer (indoor/outdoor rated), fire label;sti sti-1155 stopper ii with horn and spacer (indoor/outdoor rated), fire label;sti sti-1155 stopper ii with horn and spacer (indoor/outdoor rated), fire label
STI-1155SF-1155

Key Features

  • Protective polycarbonate cover proven effective for over 40 years
  • Indoor/outdoor rated cover helps stop false fire alarms
  • When cover is li'ed, horn sounds
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sti stopper station ss2421em-en push button;sti ss2421em-en stopper station push button with stopper station shield, emergency label, turn-to-reset button, blue
SS2421EM-ENSF-SS2421EME

Key Features

  • Turn-to-Reset button
  • Raised EMERGENCY label
  • Interchangeable or replaceable N.O. or N.C., SPST gold-plated contact blocks rated 6 amps @600 VAC or 1 amp @ 250 VDC
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sti ub-1pn push button
UB-1PNSF-UB1PN

Key Features

  • Pneumatic push button
  • Offers over 300 combinations in one kit
  • Pneumatic adjustable timer opens or closes a circuit and has a timed delay before reset
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sti stopper ss2401em-en push button
SS2401EM-ENSF-2401EMEN

Key Features

  • Turn-to-Reset push button
  • Raised EMERGENCY label
  • Interchangeable or replaceable N.O. or N.C., SPST gold-plated contact blocks rated for 3 amps @ 600 VAC or 1 amp @ 250 VDC
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sti sti-9610 steel web stopper, high profile, surface mount;sti sti-9610 steel web stopper, high profile, surface mount, white
STI-9610SF-9610

Key Features

  • Helps protect smoke detectors from vandalism and accidental damage
  • For use in controlled environment (not intended for outdoor use)
  • 9-gauge steel with corrosion resistant polyester coating
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back box and spacer kit for swt 1,3,4 and 7 cnt bl
KIT-71101A-BSF-SB71101AB

Key Features

  • Blue, 1.5 inch deep backbox for use with Stopper Station button/switch activation type 0, 3, or 4 switch
  • Back box is for surface mount applications
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sti stopper ss2221ld-en push button
SS2221LD-ENSF-2221LDEN

Key Features

  • Turn-to-Reset button
  • Raised LOCKDOWN label
  • Interchangeable or replaceable N.O. or N.C., SPST gold-plated contact blocks rated 6 amps @600 VAC or 1 amp @ 250 VDC
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sti yellow back box & spacer kit
KIT-71101A-YSF-71101AY

Key Features

  • Yellow back box and spacer kit
  • For use with Stopper Station push button switches
  • For use with push button/switch activation type 1, 3 or 4
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sti stopper station ss2029za-en push button
SS2029ZA-ENSF-2029ZAEN

Key Features

  • Turn-to-Reset push button
  • Raised CUSTOM label
  • Two (2) Form “C” contacts, DPDT, rated 10 amps @ 125/250 VAC, 6 amps @ 30 VDC
PRODUCT IS NON-RETURNABLE
More Options Available
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sti bopper stopper sti-6518 cover with spring loaded hinge;sti sti-6518 bopper stopper cover plate with spring loaded hinge, clear
STI-6518SF-6518

Key Features

  • Cover helps protect against vandalism and damage
  • Take hard knocks in stride while helping to protect smaller-sized electrical units
  • Spring loaded hinge
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sti select-alert alarm mini controller, blue;sti sti-sa5000-b select-alert mini controller, alarm & strobe, 32 tones, blue
STI-SA5000-BSF-SA5000B

Key Features

  • Helps stop unauthorized use of important devices
  • Independent strobe and siren timing of 15, 30, 60 seconds or continuous.
  • Can be used as a cabinet alarm, door alarm, link with push button/switch or as a burglar alarm.
More Options Available
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conduit spacer large 2"
STI-3100SF-3100

Key Features

  • Clear conduit spacer with a frame
  • Adds two" of depth to the patented Stopper II products
  • For indoor use
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sti wireless doorbell chime with receiver sti-3350
STI-3350SF-STI3350

Key Features

  • Musical wireless doorbell chime
  • Easy to install, no expensiveWiring required
  • Long range operation up to 500'
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sti universal stopper<sup>®</sup> without horn, flush, fire label;sti sti-13010fr universal stopper without horn, flush, fire label;sti sti-13010fr universal stopper without horn, flush, fire label;sti sti-13010fr universal stopper without horn, flush, fire label
STI-13010FRSF-STI13010F

Key Features

  • Protective polycarbonate cover
  • Helps stop false fire alarms
  • Does not restrict legitimate alarms from being activated
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sti sti-7520-htr security device/wiring enclosure
STI-7520-HTRSF-7520HTR

Key Features

  • Designed to maintain temperature above freezing
  • Operates on 12, 16.5 or 24 volts and has three thermostats
  • Exterior key lock
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sti-6400 exit stopper multifunction door alarm, red;image of sf-6400
STI-6400SF-6400

Key Features

  • Alarm alerts to any unauthorized exits/entries through emergency exit doors and rear doors
  • AddWarning in second language with provided labels (21 languages)
  • Protective polycarbonate cover
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sti sti-7520 fire equipment enclosure;sti sti-7520 nema 4x protective cabinet with key lock, clear;sti sti-7520 nema 4x protective cabinet with key lock, clear;sti sti-7520 nema 4x protective cabinet with key lock, clear
STI-7520SF-7520

Key Features

  • Clear UV-stabilized Polycarbonate Enclosure
  • Design allows visibility at any angle
  • Includes key lock and backplate
More Options Available
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sti damage stopper sti-9705 security cover
STI-9705SF-STI9705

Key Features

  • Highly durable wire guard helps protect horn/strobe/speaker against vandalism, damage and theft
  • Super tough construction
  • 9-gauge steel wire coated with corrosion resistant polyester
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sti stopper ii sti-1100 push/pull station;sti-1100 stopper ii with horn flush mount, fire label;sti-1100 stopper ii with horn flush mount, fire label;sti-1100 stopper ii with horn flush mount, fire label;image of sf-1100
STI-1100SF-1100

Key Features

  • Protective polycarbonate cover proven effective for over 40 years
  • Helps stop false fire alarms
  • When cover is lifted, horn sounds
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sti stopper station 3-pack, blue;sti cp-ss43-en stopper station push button 3-pack, 3-in-1 illuminated stopper station with 3 snap-in messages & stopper station shield, blue
CP-SS43-ENSF-CPSS43EN

Key Features

  • Kit includes everything for 3 complete buttons
  • Change button activation on site: Key-to-Reset, Turn-to-Reset, Momentary (default)
  • Snap-in message choices: EMERGENCY, Blank, LOCKDOWN
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sti universal stopper spacer
STI-1331SF-1331

Key Features

  • For use with Universal Stopper covers
  • 1 1/2 inch (37 mm) spacer
  • Converts a flush mount unit to a surface mount unit
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sti weather stopper without horn with spacer, fire label;sti-3150 weather stopper without horn with clear spacer, fire label;sti-3150 weather stopper without horn with clear spacer, fire label;sti-3150 weather stopper without horn with clear spacer, fire label
STI-3150SF-3150

Key Features

  • Proven effective for over 40 years in helping stop false fire alarms without restricting legitimate alarms
  • Can be used as a guard against physical andWeather-related damage to a manual pull station, withoutWarning horn
  • Protect devices such as EPOs, call boxes, telephones and emergency shutdowns by changing the color and messaging
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sti universal stopper without horn housing, flush, clear sti-13000nc
STI-13000NCSF-STI13000N

Key Features

  • Protective polycarbonate cover
  • Helps protect devices against vandalism and accidental damage
  • Indoor/outdoor rated cover
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sti stopper ss2421ld-en push button
SS2421LD-ENSF-SS2421LDE

Key Features

  • Turn-to-Reset button
  • Raised LOCKDOWN label
  • Interchangeable or replaceable N.O. or N.C., SPST gold-plated contact blocks rated 6 amps @600 VAC or 1 amp @ 250 VDC
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sti smoke detector damage stopper - flush mount, clear;sti sti-8100 smoke detector damage stopper flush mount, clear;sti sti-8100 smoke detector damage stopper flush mount, clear;sti sti-8100 smoke detector damage stopper flush mount, clear
STI-8100SF-8100

Key Features

  • Protects smoke detectors from vandalism and damage
  • Smoke detector's LED remains clearly visible
  • Constructed of tough polycarbonate material
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sti damage stopper sti-9708-r wire guard;sti sti-9708-r system sensor spectralert advance series horn/strobe/speaker damage stopper, surface mount, 7.49" h x 6.74" w x 6.09" d, 9-gauge steel wire coated guard, red
STI-9708-RSF-9708R

Key Features

  • Highly durable wire guard helps protect horn/strobe/speaker against vandalism, damage and theft
  • Super tough construction
  • 9-gauge steel wire coated with corrosion resistant polyester
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image of sf-m362408wa;image of sf-m362408wa
EM362408WASF-M362408WA

Key Features

  • Keeps fire alarm control panels and electronics operational in extreme temperatures
  • Heavy-duty 14 gauge steel with baked enamel finish
  • AC/Heater unit is externally mounted to minimize space intrusion
PRODUCT IS NON-RETURNABLE
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keylock #544 f/steel cabinet
KL544SF-KL544

Key Features

  • Key lock for all STI-EM Metal Cabinet models (includes two keys)
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Showing 29 - 56 of 2345
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