Showing 3425–3440 of 12665 results

  • System Sensor SBBSPWL L-Series Wall Surface Mount Back Box, Speakers and Speaker Strobes, White

    System Sensor SBBSPWL L-Series Wall Surface Mount Back Box,

    $36.17

    In stock

    • Is easy to locate and can be mounted on varying heights
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  • System Sensor PR-1 Multi-Voltage Conventional Relay, Epoxy Encapsulated (SPDT) Relay With Activation LED

    System Sensor PR-1 Multi-Voltage Conventional Relay, Epoxy E

    $30.65

    In stock

    •  Single-pole double-throw relays
    • Red LED as a visible indication of relay coil energization
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  • System Sensor LENS-A Lens for Indoor or Outdoor Wall Mount Strobes, Amber

    System Sensor LENS-A Lens for Indoor or Outdoor Wall Mount S

    $25.52

    In stock

    • Easily turns any device into a strobe for ECS/MNS events: severe weather, toxic gases, sprinkler activation and more
    • Outdoor rated from -35°F to 151°F
    • UL 1638 listed
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  • System Sensor LENS-AC2 L-Series Lens for any Indoor Ceiling-Mountable Strobes, Amber

    System Sensor LENS-AC2 L-Series Lens for any Indoor Ceiling-

    $27.07

    Only 6 left in stock

    • Easily turns any device into a strobe for ECS/MNS events: severe weather, toxic gases, sprinkler activation and more
    • Outdoor rated from -35°F to 151°F
    • UL 1638 listed
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  • Watertight Duct Smoke Detector

    System Sensor D4120W Watertight 4-Wire Photoelectric Duct Sm

    $304.91

    In stock

    • NEMA Type 4 UL listed for non-hazardous indoor and outdoor applications
    • 4-Wire Photoelectric, integrated low-flow technology
    • UV Resistant, UL listed housing and cover materia
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  • System Sensor SBBCRL Universal Ceiling Surface Mount Back Box, Red

    System Sensor SBBCRL Universal Ceiling Surface Mount Back Bo

    $35.45

    In stock

    L-Series Surface Mount Back Boxes are the best solution in locations where you have a hard surface to mount to

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  • System Sensor A77-AB2 i3 Retrofit Adapter Ring

    System Sensor A77-AB2 i3 Retrofit Adapter Ring

    $18.80

    Only 2 left in stock

    System Sensor A77-AB2 i3 Retrofit Adapter Ring

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  • System Sensor LENS-B2 L-Series Lens for Indoor Wall-Mountable Strobes, Blue

    System Sensor LENS-B2 L-Series Lens for Indoor Wall-Mountabl

    $24.96

    In stock

    • Easily turns any device into a strobe for ECS/MNS events: severe weather, toxic gases, sprinkler activation and more
    • Outdoor rated from -35°F to 151°F
    • UL 1638 listed
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  • System Sensor WBB Weatherproof Back Box for SSM/SSV Bells, Red

    System Sensor WBB Weatherproof Back Box for SSM/SSV Bells, R

    $43.99

    In stock

    • Eliminates the need for excessive wiring to reduce tripping hazards
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  • System Sensor SPRL L-Series Indoor SelectableOutput Speaker, High Fidelity, Wall Mount, NO Marking, Red

    System Sensor SPRL L-Series Indoor SelectableOutput Speaker,

    $48.31

    In stock

    • Wall Mounting
    • Indoor Location
    • Frequency Range 400 to 4000 Hz
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  • System Sensor SPSWL-CLR-ALERT L-Series Indoor Speaker Strobe, Clear Lens, “ALERT” Marking, White

    System Sensor SPSWL-CLR-ALERT L-Series Indoor Speaker Strobe

    $93.73

    In stock

    • Plug-in design and protective cover reduce ground faults
    • Universal mounting plate with an onboard shorting spring tests wiring continuity before installation
    • Field selectable candela settings on wall units: 15, 30, 75, 95, 110, 135, 185
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  • System Sensor DST1 Metal Sampling Tube Duct Width Up to 1ft (0.3m)

    System Sensor DST1 Metal Sampling Tube Duct Width Up to 1ft

    $21.49

    In stock

    System Sensor DST1 Metal Sampling Tube Duct Width Up to 1ft (0.3m)

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  • System Sensor PC2RHK SpectrAlert Advance Outdoor SelectableOutput Horn Strobe, 2-Wire, High cd, Ceiling Mount, “FIRE” Marking, Red

    System Sensor PC2RHK SpectrAlert Advance Outdoor SelectableO

    $100.34

    In stock

    • Weatherproof per NEMA 4X, IP56
    • Listed for ceiling or wall mounting
    • Tamper-resistant construction
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  • System Sensor SPWK SpectrAlert Advance Outdoor Speaker, Wall Mount, White

    System Sensor SPWK SpectrAlert Advance Outdoor Speaker, Wall

    $84.53

    Only 2 left in stock

    • Wall Mounting
    • Outdoor Location
    • 25 Volts or 70.7 Volts (nominal)
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  • System Sensor 4WITAR-B 4-wire, Photoelectric i3 Smoke Detector with Isolated Thermal Sensor, Built-in Sounder, Form C relay

    System Sensor 4WITAR-B 4-wire, Photoelectric i3 Smoke Detect

    $94.16

    In stock

    • Isolated Thermal Sensor
    • Built-In Sensor
    • Form C Relay
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  • System Sensor SPSCWK SpectrAlert Advance Speaker Strobe, Ceiling Mount, Standard cd, “FIRE” Marking, White

    System Sensor SPSCWK SpectrAlert Advance Speaker Strobe, Cei

    $139.17

    In stock

    • Selectable Candela (15, 15/75, 30, 50, 75, 95, 100, 115 cd)
    • Outdoor Location
    • Ceiling Mounting
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