Skip to content
100%
Behind what we sell,
by offering one year warranty
SAME DAY SHIPPING
CUT-OFF TIME 3PM EST
LET US BE YOUR  NEXT SECURITY  PARTNER
LET US BE YOUR  NEXT SECURITY PARTNER

STI

Filters

  • STI-1230 STI

    STI
    $86.69 - $86.69
    $86.69
    $86.69 - $86.69
    $86.69

    Stopper II w/o Horn-Surface Mount

    $86.69 - $86.69
    $86.69
    $86.69 - $86.69
    $86.69

  • STI-3150 STI

    STI
    $104.76 - $104.76
    $104.76
    $104.76 - $104.76
    $104.76

    Weather Stopper Surface Mt.- Red w/o Horn-Fire Text

    $104.76 - $104.76
    $104.76
    $104.76 - $104.76
    $104.76

  • STI-9764 STI

    STI
    $40.51 - $40.51
    $40.51
    $40.51 - $40.51
    $40.51

    HORN/STROBE DAMAGE STOPPER, WALL MOUNT, WHITE

    $40.51 - $40.51
    $40.51
    $40.51 - $40.51
    $40.51

  • STI-6400 STI

    STI
    $113.43 - $113.43
    $113.43
    $113.43 - $113.43
    $113.43

    Exit Stopper Multifunction Door Alarm, Red

    $113.43 - $113.43
    $113.43
    $113.43 - $113.43
    $113.43

  • STI-13220FR STI

    STI
    $127.42 - $127.42
    $127.42
    $127.42 - $127.42
    $127.42

    Universal Stopper Dome Cover w/Spacer, Horn, Red Housing, Fire Label

    $127.42 - $127.42
    $127.42
    $127.42 - $127.42
    $127.42

  • STI-13200NC STI

    STI
    $59.25 - $59.25
    $59.25
    $59.25 - $59.25
    $59.25

    Universal Stopper Dome Cover w/Clear Spacer

    $59.25 - $59.25
    $59.25
    $59.25 - $59.25
    $59.25

  • STI-6402 STI

    STI
    $128.20 - $128.20
    $128.20
    $128.20 - $128.20
    $128.20

    Exit Stopper Multifunction Door Alarm for Double Door

    $128.20 - $128.20
    $128.20
    $128.20 - $128.20
    $128.20

  • STI-1200 STI

    STI
    $73.47 - $73.47
    $73.47
    $73.47 - $73.47
    $73.47

    Stopper II w/o Horn-Flush Mount

    $73.47 - $73.47
    $73.47
    $73.47 - $73.47
    $73.47

  • EM1212DOC STI

    STI
    $116.75 - $116.75
    $116.75
    $116.75 - $116.75
    $116.75

    Red Metal "System Record Documents" Box, Thumb Lock, 12x12x4

    $116.75 - $116.75
    $116.75
    $116.75 - $116.75
    $116.75

  • STI-1221D STI

    STI
    $58.72 - $58.72
    $58.72
    $58.72 - $58.72
    $58.72

    STROBE DAMAGE STOPPER W/OPEN BKBX W/CONDUIT KNOCKOUT

    $58.72 - $58.72
    $58.72
    $58.72 - $58.72
    $58.72

  • STI-9767 STI

    STI
    $48.23 - $48.23
    $48.23
    $48.23 - $48.23
    $48.23

    HORN/STROBE DAMAGE STOPPER, WALL MOUNT, SURFACE, WHITE

    $48.23 - $48.23
    $48.23
    $48.23 - $48.23
    $48.23

  • STI-9765-R STI

    STI
    $48.23 - $48.23
    $48.23
    $48.23 - $48.23
    $48.23

    HORN/STROBE DAMAGE STOPPER, WALL MOUNT, SURFACE, RED

    $48.23 - $48.23
    $48.23
    $48.23 - $48.23
    $48.23

  • STI-9760 STI

    STI
    $38.36 - $38.36
    $38.36
    $38.36 - $38.36
    $38.36

    STROBE WIRE GUARD, FLUSH MOUNT, WHITE

    $38.36 - $38.36
    $38.36
    $38.36 - $38.36
    $38.36

  • STI-9714 STI

    STI
    $44.95 - $44.95
    $44.95
    $44.95 - $44.95
    $44.95

    STROBE WIRE GUARD

    $44.95 - $44.95
    $44.95
    $44.95 - $44.95
    $44.95

  • STI-1221E STI

    STI
    $48.46 - $48.46
    $48.46
    $48.46 - $48.46
    $48.46

    STROBE DAMAGE STOPPER W/OPEN BKBX FOR FL MT

    $48.46 - $48.46
    $48.46
    $48.46 - $48.46
    $48.46

  • STI-9110 STI

    STI
    $37.94 - $37.94
    $37.94
    $37.94 - $37.94
    $37.94

    Large Thermostat Protector w/Key Lock - Clear

    $37.94 - $37.94
    $37.94
    $37.94 - $37.94
    $37.94

  • STI-13020FR STI

    STI
    $110.77 - $110.77
    $110.77
    $110.77 - $110.77
    $110.77

    Universal Stopper Dome Cover w/Fl Mt, Horn, Red Housing, Fire Label

    $110.77 - $110.77
    $110.77
    $110.77 - $110.77
    $110.77

  • STI-9620 STI

    STI
    $26.62 - $26.62
    $26.62
    $26.62 - $26.62
    $26.62

    Motion Detector Damage Stopper 6.25 X 4.00 x 2.25"

    $26.62 - $26.62
    $26.62
    $26.62 - $26.62
    $26.62
  • Sold out

    STI-9740 STI

    STI
    $78.03 - $78.03
    $78.03
    $78.03 - $78.03
    $78.03

    Exit Sign Damage Stopper

    $78.03 - $78.03
    $78.03
    $78.03 - $78.03
    $78.03
    Sold out

  • STI-7530 STI

    STI
    $254.10 - $254.10
    $254.10
    $254.10 - $254.10
    $254.10

    Protective Cabinet w/backplate-Clear-Key lock

    $254.10 - $254.10
    $254.10
    $254.10 - $254.10
    $254.10

  • STI-1250 STI

    STI
    $84.08 - $84.08
    $84.08
    $84.08 - $84.08
    $84.08

    Weather Stopper II

    $84.08 - $84.08
    $84.08
    $84.08 - $84.08
    $84.08

  • STI-1130 STI

    STI
    $125.21 - $125.21
    $125.21
    $125.21 - $125.21
    $125.21

    Stopper II w/Horn & Spacer

    $125.21 - $125.21
    $125.21
    $125.21 - $125.21
    $125.21

  • STI-1100 STI

    STI
    $111.98 - $111.98
    $111.98
    $111.98 - $111.98
    $111.98

    Stopper II w/Horn Flush Mount

    $111.98 - $111.98
    $111.98
    $111.98 - $111.98
    $111.98
  • Sold out

    STI-4100 STI

    STI
    $67.10 - $67.10
    $67.10
    $67.10 - $67.10
    $67.10

    Break Glass Stopper Large

    $67.10 - $67.10
    $67.10
    $67.10 - $67.10
    $67.10
    Sold out

  • STI-7521 STI

    STI
    $143.69 - $143.69
    $143.69
    $143.69 - $143.69
    $143.69

    NEMA 4X Polycarbonate Cabinet w/Thumb Lock - Clear

    $143.69 - $143.69
    $143.69
    $143.69 - $143.69
    $143.69

  • STI-6200 STI

    STI
    $36.75 - $36.75
    $36.75
    $36.75 - $36.75
    $36.75

    Fire Extinguisher Theft Stopper

    $36.75 - $36.75
    $36.75
    $36.75 - $36.75
    $36.75
  • Sold out

    STI-1100CP6 STI

    STI
    $669.31
    $669.31 - $669.31
    $669.31
    $655.91
    $655.91 - $655.91
    $655.91

    Stopper II w/Horn Fl Mt - red horn housing - 6 pack

    $669.31
    $669.31 - $669.31
    $669.31
    $655.91
    $655.91 - $655.91
    $655.91
    Sold out

  • STI-SS2222EM-EN STI

    STI
    $80.34 - $80.34
    $80.34
    $80.34 - $80.34
    $80.34

    Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated ; YELLOW ; EMERGENCY

    $80.34 - $80.34
    $80.34
    $80.34 - $80.34
    $80.34

  • GLR301EM-EN STI

    STI
    $71.15 - $71.15
    $71.15
    $71.15 - $71.15
    $71.15

    Key-to-Reset DPDT with 2 Form C Contacts. UL/cUL Listed, ADA Compliant ; WHITE; EMERGENCY

    $71.15 - $71.15
    $71.15
    $71.15 - $71.15
    $71.15

  • STI-14200NR STI

    STI
    $71.29 - $71.29
    $71.29
    $71.29 - $71.29
    $71.29

    Universal Stopper Low Profile Cover, Spacer ; RED

    $71.29 - $71.29
    $71.29
    $71.29 - $71.29
    $71.29

  • STI-14400NR STI

    STI
    $125.04 - $125.04
    $125.04
    $125.04 - $125.04
    $125.04

    Universal Stopper Low Profile w/Enc Bkbx, Sealed Mt Plate ; RED

    $125.04 - $125.04
    $125.04
    $125.04 - $125.04
    $125.04

  • STI-14200NC STI

    STI
    $62.37 - $62.37
    $62.37
    $62.37 - $62.37
    $62.37

    Universal Stopper Low Profile Cover, Clear Spacer

    $62.37 - $62.37
    $62.37
    $62.37 - $62.37
    $62.37

  • WRP2-R-01 STI

    STI
    $118.49 - $118.49
    $118.49
    $118.49 - $118.49
    $118.49

    Series 01, Waterproof Reset Call Point, IP67, Red

    $118.49 - $118.49
    $118.49
    $118.49 - $118.49
    $118.49
  • Sold out

    STI-1200CP6 STI

    STI
    $439.53
    $439.53 - $439.53
    $439.53
    $430.72
    $430.72 - $430.72
    $430.72

    Stopper II w/o Horn Fl Mt - red horn housing - 6 pack

    $439.53
    $439.53 - $439.53
    $439.53
    $430.72
    $430.72 - $430.72
    $430.72
    Sold out
  • Sold out

    STI-7531 STI

    STI
    $261.97 - $261.97
    $261.97
    $261.97 - $261.97
    $261.97

    Polycarbonate Cabinet w/Thumb Lock - Clear 12" X 14" X 6.37"

    $261.97 - $261.97
    $261.97
    $261.97 - $261.97
    $261.97
    Sold out

  • STI-LT-1UL STI

    STI
    $57.68 - $57.68
    $57.68
    $57.68 - $57.68
    $57.68

    LATCHING/TIMER MODULE - LT-1UL converts a momentary button to a button with timing options.

    $57.68 - $57.68
    $57.68
    $57.68 - $57.68
    $57.68

  • BPA4836 STI

    STI
    $685.26 - $685.26
    $685.26
    $685.26 - $685.26
    $685.26

    Aluminum Back Panel 48 x 36

    $685.26 - $685.26
    $685.26
    $685.26 - $685.26
    $685.26

  • EN483612-W2 STI

    STI
    $9,128.67 - $9,128.67
    $9,128.67
    $9,128.67 - $9,128.67
    $9,128.67

    Fiberglass Enclosure with A/C and Heat, 48 x 36 x 12, with Window

    $9,128.67 - $9,128.67
    $9,128.67
    $9,128.67 - $9,128.67
    $9,128.67

  • KL544 STI

    STI
    $9.27 - $9.27
    $9.27
    $9.27 - $9.27
    $9.27

    Key Lock for STI-EM models

    $9.27 - $9.27
    $9.27
    $9.27 - $9.27
    $9.27

  • STI-1229 STI

    STI
    $89.80 - $89.80
    $89.80
    $89.80 - $89.80
    $89.80

    Stopper Dome for Strobe w/Enc Bkbx - NEMA 4X

    $89.80 - $89.80
    $89.80
    $89.80 - $89.80
    $89.80

  • STI-7510A STI

    STI
    $78.09 - $78.09
    $78.09
    $78.09 - $78.09
    $78.09

    Polycarbonate Enclosure w/Enc Deep Bkbx & Exterior Key Lock

    $78.09 - $78.09
    $78.09
    $78.09 - $78.09
    $78.09

  • STI-13320FR STI

    STI
    $154.17 - $154.17
    $154.17
    $154.17 - $154.17
    $154.17

    Universal Stopper Dome Cover w/Enc Fl Bkbx, Horn, Red Housing, Fire Label

    $154.17 - $154.17
    $154.17
    $154.17 - $154.17
    $154.17

  • STI-14320FR STI

    STI
    $145.04 - $145.04
    $145.04
    $145.04 - $145.04
    $145.04

    Universal Stopper Low Profile Cover w/Enc Fl Bkbx, Horn, Red Housing, Fire Label

    $145.04 - $145.04
    $145.04
    $145.04 - $145.04
    $145.04

  • KIT-71101A-R STI

    STI
    $17.03 - $17.03
    $17.03
    $17.03 - $17.03
    $17.03

    Back box & Spacer Kit for 0 or 3 switch in Red

    $17.03 - $17.03
    $17.03
    $17.03 - $17.03
    $17.03

  • KIT-71101A-Y STI

    STI
    $17.03 - $17.03
    $17.03
    $17.03 - $17.03
    $17.03

    "Back box & Spacer Kit for 0 or 3 switch in Red,Green, Yellow, White and Blue" ; YELLOW

    $17.03 - $17.03
    $17.03
    $17.03 - $17.03
    $17.03

  • SS2074EM-EN STI

    STI
    $143.27 - $143.27
    $143.27
    $143.27 - $143.27
    $143.27

    "Key-to-Reset ; Turn-to-Reset ; Key-to-Activate ; Momentary" ; RED ; EMERGENCY

    $143.27 - $143.27
    $143.27
    $143.27 - $143.27
    $143.27
  • Sold out

    SS2422LD-EN STI

    STI
    $82.86 - $82.86
    $82.86
    $82.86 - $82.86
    $82.86

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; BLUE ; LOCKDOWN

    $82.86 - $82.86
    $82.86
    $82.86 - $82.86
    $82.86
    Sold out

  • SS2329PO-EN STI

    STI
    $80.34 - $80.34
    $80.34
    $80.34 - $80.34
    $80.34

    "Key-to-Reset Illuminated ; Momentary Illuminated ; Turn-to-Reset Illuminated" ; WHITE ; EMERGENCY POWER OFF

    $80.34 - $80.34
    $80.34
    $80.34 - $80.34
    $80.34