Showing 2353–2368 of 12573 results

  • Silent Knight SK-HEAT-ROR-W Addressable Heat Rate of Rise Detector, White

    Silent Knight SK-HEAT-ROR-W Addressable Heat Rate of Rise De

    $96.51

    In stock

    • Designed to meet UL 268 7th Edition
    • Sleek and stylish contemporary design
    • ย Advanced thermal technology for fast response
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  • Silent Knight IDP-ACB Alarm Control Panel Cabinet

    Silent Knight IDP-ACB Alarm Control Panel Cabinet

    $106.02

    Only 8 left in stock

    Has a built-in mounting plate that positions the module boards so that all of the status indicators are visible.
    โ€ข One to two module mounting in cabinet.
    โ€ข UL Listed

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  • Silent Knight SK-ISO Line Isolator Module

    Silent Knight SK-ISO Line Isolator Module

    $91.99

    In stock

    • ย Panel controlled status LED that flashes green in normal state and is solid red in alarm
    • ย Isolates short circuits on an SLC loop
    • ย Protects the modules on the SLC loop so other devices continue to operate
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  • Silent Knight SK-MONITOR-2 Addressable Dual Input Monitor Module

    Silent Knight SK-MONITOR-2 Addressable Dual Input Monitor Mo

    $149.43

    In stock

    • Monitor two circuits with unique addresses simultaneously
    • Rotary address switches for fast installation
    • Support for Class B wiring
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  • Silent Knight PS-DATK Pull Station

    Silent Knight PS-DATK Pull Station

    $59.62

    Only 13 left in stock

    • UL listed
    • CSFM approved
    • MEA (BSA) approved
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  • Silent Knight PS-SATK Single Action Manual Pull Station

    Silent Knight PS-SATK Single Action Manual Pull Station

    $60.48

    In stock

    • UL listed
    • CSFM approved
    • MEA (BSA) approved
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  • Silent Knight PS-SATK-WP Outdoor Single Action Pull Station with Terminals

    Silent Knight PS-SATK-WP Outdoor Single Action Pull Station

    $129.01

    Only 2 left in stock

    • UL listed
    • CSFM approved
    • MEA (BSA) approved
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  • Silent Knight SK-PTIR-W Multi-Criteria Detector, White

    Silent Knight SK-PTIR-W Multi-Criteria Detector, White

    $113.85

    Only 8 left in stock

    • Multi-criteria detection
    • New modern design with white finish
    • Analog communications
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  • Silent Knight SK-PULL-SA Addressable Single Action Pull Station, Single Pole, SPST, N/O Switch

    Silent Knight SK-PULL-SA Addressable Single Action Pull Stat

    $118.44

    In stock

    • UL Listed, including UL 38, Standard of Manually Actuated Signaling System
    • CSFM Listed
    • MEA Listed
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  • Silent Knight SD500-PSDA Dual Action Addressable Pull Station

    Silent Knight SD500-PSDA Dual Action Addressable Pull Statio

    $265.64

    Only 2 left in stock

    • Corrosion resistant gold-plated contacts
    • Key operated reset lock
    • Key matches compatible FACP locks
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  • SILENT KNIGHT Honeywell SILENT KNIGHT SD505DTSK Duct Detector Test Switch

    SILENT KNIGHT Honeywell SILENT KNIGHT SD505DTSK Duct Detecto

    $267.94

    Only 4 left in stock

    The SILENT-KNIGHT-SD505-DTS-K is a remote test switch for the DUCTR Duct Smoke Detector .With the DTS-K, you can test your duct smoke detector remotely without the hassle of having to physically move to your detectors location. The switch provides LED indication of SD505-DUCTR status, and it uses the same key as the control panel. Also…

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  • Silent Knight SKE-450 Silent Knight SKE450 50W Voice Evacuation Panel, 50W

    Silent Knight SKE-450 Silent Knight SKE450 50W Voice Evacuat

    $2,093.95

    Only 8 left in stock (can be backordered)

    • 50 watts of output power on a 25 or 70.7 VRMS speaker circuit. The speaker circuit can be Class A or B. Provides maximum flexibility for new or retrofit jobs.
    • Downloadable Voice Messages via direct connect. If you need a different message download it from the SK website free of charge!
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  • Silent Knight SK-FML Fiber Card, Multi Mode Module

    Silent Knight SK-FML Fiber Card, Multi Mode Module

    $125.33

    Only 13 left in stock

    • Simple plug-in card installation
    • Connect compatible panels using fiber optic cable for improved multi-site management and lower monthly monitoring costs
    • Use single and multi-mode modules on the same network card for added design flexibility
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  • Silent Knight SK-NIC-KIT Accessory Install Kit, (1) SK-NIC Network Card

    Silent Knight SK-NIC-KIT Accessory Install Kit, (1) SK-NIC N

    $927.57

    Only 12 left in stock

    • Perfect for use when connecting compatible panels using fiber optic cable. Or copper wire for improved multi-site management and lower monthly monitoring costs
    • For fiber optic network installs, add-on modules can be used including the SK-FML multi-mode fiber module and the SK-FSL single-mode fiber module
    • Can also be used with a variety of wire types, such as standard unshielded or twisted-pair copper wire
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  • Seco-Larm SD-927PKC-NEQ Enforcer โ€œNo Touchโ€ RTE IR Sensor Plate, Single-gang IR Technology Motion Sensor, Stainless Steel Finish

    Seco-Larm SD-927PKC-NEQ Enforcer “No Touch” RTE

    $59.79

    Only 11 left in stock

    • Dual voltage, 12-24 VAC/VDC
    • Range adjustable from 23/8″-8″ (6-20 cm)
    • Stainless steel single-gang plate
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  • Securitron Square Emergency Exit Button, Single Gang, 2โ€ณ Length, 2โ€ณ Width

    Securitron Square Emergency Exit Button, Single Gang, 2̸

    $91.34

    In stock

    • Emergency Exit Buttons offer additional safety, as required by code, for possible malfunction of motion exit sensor
    • Momentarily pressing the button releases door for 30 seconds
    • Retriggerable
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