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    Sensors & Switches / Sensor Module/Housing

    Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.

    Rockwell Disclaimer: The product is used surplus. Radwell is not an authorised surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorised dealers. Because Radwell is not an authorised distributor of this product, the Original Manufacturer’s warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, Radwell makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Radwell also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. Radwell also makes no representations as to your right to install any such firmware on the product. Radwell will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

    Filter Results
    Results 1-50 of 53.
    HONEYWELL IDP-MONITOR

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    IDP-MONITOR

    ADDRESSABLE MONITOR MODULE, SUPERVISED, SINGLE CONTACT
    ✓ IN STOCK!
    £35.52 Price with VAT: £42.62 Buy Surplus As Low As £23.43 Price with VAT: £28.11
    £23.43 Price with VAT: £28.11
    HONEYWELL RTS151KEY

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    RTS151KEY

    TEST STATION, REMOTE W/ KEY, POWER LED GREEN, 14-35 VDC, ALARM LED RED, 2.8-32 VDC
    £66.90 Price with VAT: £80.28 Buy Surplus As Low As £41.28 Price with VAT: £49.54
    £41.28 Price with VAT: £49.54
    HONEYWELL SK-ISO

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SK-ISO

    FAULT ISOLATOR MODULE, 15-32 VDC, 4 INCH BOX MOUNT, 450 MICROAMPS
    ✓ IN STOCK!
    £59.52 Price with VAT: £71.42 Buy Surplus As Low As £35.71 Price with VAT: £42.86
    £35.71 Price with VAT: £42.86
    HONEYWELL WIDP-RELAY

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    WIDP-RELAY

    SWIFT WIRELESS RELAY MODULE
    £321.17 Price with VAT: £385.40 Buy Surplus As Low As £192.70 Price with VAT: £231.24
    £192.70 Price with VAT: £231.24
    HONEYWELL IDP-MONITOR-10

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    IDP-MONITOR-10

    ADDRESSABLE MONITOR MODULE, SUPERVISED, 10 POINTS
    £326.06 Price with VAT: £391.28 Buy Surplus As Low As £195.64 Price with VAT: £234.77
    £195.64 Price with VAT: £234.77
    HONEYWELL IDP-RELAYMON-2

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    IDP-RELAYMON-2

    DUAL INPUT/DUAL OUTPUT MODULE
    £284.89 Price with VAT: £341.87 Buy Surplus As Low As £171.54 Price with VAT: £205.85
    £171.54 Price with VAT: £205.85
    HONEYWELL TPPLSMAAI8

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSMAAI8

    INPUT MODULE, 8 X MA, (1ST F)
    £3,521.80 Price with VAT: £4,226.16 Buy Surplus As Low As £2,013.05 Price with VAT: £2,415.66
    £2,013.05 Price with VAT: £2,415.66
    Repair Yours £1,685.86 Price with VAT: £2,023.03
    HONEYWELL TPPLSMPM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSMPM

    DISCONTINUED BY MANUFACTURER, MAIN PCB MODULE
    Buy Surplus As Low As £776.09 Price with VAT: £931.31
    £776.09 Price with VAT: £931.31
    HONEYWELL WIDP-MONITOR

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    WIDP-MONITOR

    WIRELESS MONITOR MODULE SILENT KNIGHT
    £249.49 Price with VAT: £299.39 Buy Surplus As Low As £149.69 Price with VAT: £179.63
    £149.69 Price with VAT: £179.63
    HONEYWELL WSK-RELAY

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    WSK-RELAY

    SWIFT WIRELESS RELAY MODULE
    £180.36 Price with VAT: £216.43 Buy Surplus As Low As £108.21 Price with VAT: £129.86
    £108.21 Price with VAT: £129.86
    HONEYWELL 02000-A-1635

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    02000-A-1635

    SERIES 2000 WEATHER HOUSING USE WITH TOXIC SENSOR
    £154.16 Price with VAT: £184.99 Buy Surplus As Low As £92.95 Price with VAT: £111.54
    £92.95 Price with VAT: £111.54
    HONEYWELL 02000-A-1645

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    02000-A-1645

    SERIES 2000 FLOW HOUSING ASSEMBLY
    £185.90 Price with VAT: £223.08 Buy Surplus As Low As £111.84 Price with VAT: £134.21
    £111.84 Price with VAT: £134.21
    HONEYWELL 02000-A-3120

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    02000-A-3120

    SERIES 2000 FLOW HOUSING ASSEMBLY PLASTIC
    £363.49 Price with VAT: £436.18 Buy Surplus As Low As £218.39 Price with VAT: £262.07
    £218.39 Price with VAT: £262.07
    HONEYWELL HA-SS2-B

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    HA-SS2-B

    REPLACEMENT HOUSING -COPPER-FREE ALUMINUM BASE (WHITE) (FIRE SENTRY)
    £2,774.12 Price with VAT: £3,328.95 Buy Surplus As Low As £1,664.78 Price with VAT: £1,997.73
    £1,664.78 Price with VAT: £1,997.73
    Repair Yours £1,382.15 Price with VAT: £1,658.58
    HONEYWELL SD505-DUCTR

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SD505-DUCTR

    DISCONTINUED BY MANUFACTURER, DUCT HOUSING W/RELAYS, SD505-APS, 2WIRE CONNECTION TO SLC, DETECTS & LIMITS THE SPREAD OF SMOKE, LED ALARM, COMMS ON SENSOR HEAD, STEEL BACKBOX, CLEAR PLASTIC C ...
    Buy Surplus As Low As £408.64 Price with VAT: £490.36
    £408.64 Price with VAT: £490.36
    HONEYWELL SK-ZONE

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SK-ZONE

    ZONE MODULE
    £98.24 Price with VAT: £117.89 Buy Surplus As Low As £58.94 Price with VAT: £70.73
    £58.94 Price with VAT: £70.73
    HONEYWELL HA-SS2

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    HA-SS2

    REPLACEMENT HOUSING COPPER-FREE ALUMINUM BASE & TOP (WHITE)
    £2,774.12 Price with VAT: £3,328.95 Buy Surplus As Low As £1,664.78 Price with VAT: £1,997.73
    £1,664.78 Price with VAT: £1,997.73
    Repair Yours £1,382.15 Price with VAT: £1,658.58
    HONEYWELL SS2-A

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2-A

    COPPER-FREE ALUMINUM HOUSING UV/IR/VIS ELECTRO-OPTICAL FIRE DETECTOR, LATCHING ALARM RELAY, CLASS I,
    £2,582.18 Price with VAT: £3,098.61 Buy Surplus As Low As £1,549.91 Price with VAT: £1,859.89
    £1,549.91 Price with VAT: £1,859.89
    Repair Yours £1,286.93 Price with VAT: £1,544.32
    HONEYWELL SS2-A-SS

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2-A-SS

    STAINLESS STEEL HOUSING UV/IR/VIS ELECTRO-OPTICAL FIRE DETECTOR, LATCHING ALARM RELAY, CLASS I, DIVI
    £3,062.04 Price with VAT: £3,674.45 Buy Surplus As Low As £1,837.83 Price with VAT: £2,205.39
    £1,837.83 Price with VAT: £2,205.39
    Repair Yours £1,525.73 Price with VAT: £1,830.88
    HONEYWELL SS2-AM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2-AM

    COPPER-FREE ALUMINUM HOUSING UV/IR/VIS HIGH-SPEED ELECTRO-OPTICAL FIRE DETECTOR, NON-LATCHING ALARM
    £4,370.13 Price with VAT: £5,244.16 Buy Surplus As Low As £2,622.23 Price with VAT: £3,146.68
    £2,622.23 Price with VAT: £3,146.68
    HONEYWELL SS2-MOD-AML

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2-MOD-AML

    SS2-AML REPLACEMENT ELECTRONICS MODULE
    £2,828.53 Price with VAT: £3,394.24 Buy Surplus As Low As £1,697.27 Price with VAT: £2,036.72
    £1,697.27 Price with VAT: £2,036.72
    Repair Yours £1,409.35 Price with VAT: £1,691.23
    HONEYWELL SS2-MOD-AN

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2-MOD-AN

    SS2-AN REPLACEMENT ELECTRONICS MODULE (FIRE SENTRY)
    £1,956.47 Price with VAT: £2,347.77 Buy Surplus As Low As £1,174.34 Price with VAT: £1,409.20
    £1,174.34 Price with VAT: £1,409.20
    Repair Yours £974.83 Price with VAT: £1,169.80
    HONEYWELL SS4-MOD-A2

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS4-MOD-A2

    REPLACEMENT ELECTRONICS MODULE FOR SS4-A2 (UV/IR) DETECTORS. MODULE ONLY, NON-LATCHING LED
    £2,943.40 Price with VAT: £3,532.08 Buy Surplus As Low As £1,766.04 Price with VAT: £2,119.25
    £1,766.04 Price with VAT: £2,119.25
    Repair Yours £1,466.03 Price with VAT: £1,759.24
    HONEYWELL SS4-MOD-AS2

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS4-MOD-AS2

    REPLACEMENT ELECTRONICS MODULE FOR SS4-AS2 (UV/IR) DETECTORS. MODULE ONLY, NON-LATCHING LED
    £4,679.21 Price with VAT: £5,615.05 Buy Surplus As Low As £2,808.13 Price with VAT: £3,369.76
    £2,808.13 Price with VAT: £3,369.76
    HONEYWELL SS4-MOD-AUV2

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS4-MOD-AUV2

    REPLACEMENT ELECTRONICS MODULE FOR SS4-AUV2 (UV) DETECTORS. MODULE ONLY, NON-LATCHING LED
    £2,453.71 Price with VAT: £2,944.45 Buy Surplus As Low As £1,472.83 Price with VAT: £1,767.40
    £1,472.83 Price with VAT: £1,767.40
    Repair Yours £1,222.70 Price with VAT: £1,467.24
    HONEYWELL ECS-EMG

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECS-EMG

    SWITCH MODULE FOR IFP-300ECS/IFP-2100ECS, 16 ZONE SELECT BUTTONS, 8 MESSAGE, REPLACEMENT
    £639.31 Price with VAT: £767.17 Buy Surplus As Low As £383.89 Price with VAT: £460.67
    £383.89 Price with VAT: £460.67
    HONEYWELL ECS-NVCM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    ECS-NVCM

    REPLACEMENT VOICE CONTROL MODULE FOR IFP-300ECS AND IFP-2100ECS
    £1,821.20 Price with VAT: £2,185.44 Buy Surplus As Low As £1,092.72 Price with VAT: £1,311.27
    £1,092.72 Price with VAT: £1,311.27
    HONEYWELL TPPLMACI4

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLMACI4

    2CH MA + 2CH MV INPUT MODULE
    £1,033.78 Price with VAT: £1,240.53 Buy Surplus As Low As £620.42 Price with VAT: £744.50
    £620.42 Price with VAT: £744.50
    HONEYWELL TPPLMACI8

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLMACI8

    4CH MA + 2CH MV DUAL INPUT MODULE
    £2,066.80 Price with VAT: £2,480.16 Buy Surplus As Low As £1,240.08 Price with VAT: £1,488.10
    £1,240.08 Price with VAT: £1,488.10
    HONEYWELL TPPLSBPM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSBPM

    BACK PLANE MODULE
    £432.25 Price with VAT: £518.70 Buy Surplus As Low As £259.96 Price with VAT: £311.95
    £259.96 Price with VAT: £311.95
    HONEYWELL TPPLSDPM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSDPM

    UI PC MODULE
    £1,722.21 Price with VAT: £2,066.65 Buy Surplus As Low As £1,033.78 Price with VAT: £1,240.53
    £1,033.78 Price with VAT: £1,240.53
    HONEYWELL TPPLSLTSM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSLTSM

    LCD + TOUCH SCREEN MODULE
    £432.25 Price with VAT: £518.70 Buy Surplus As Low As £259.96 Price with VAT: £311.95
    £259.96 Price with VAT: £311.95
    HONEYWELL TPPLSMACI4

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSMACI4

    REPLACEMENT 2CH MA + 2CH MV DUAL INPUT MODULE
    £1,240.08 Price with VAT: £1,488.10 Buy Surplus As Low As £744.35 Price with VAT: £893.22
    £744.35 Price with VAT: £893.22
    HONEYWELL TPPLSMACI8

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSMACI8

    REPLACEMENT 4:4 DUAL INPUT MODULE
    £2,479.41 Price with VAT: £2,975.29 Buy Surplus As Low As £1,487.95 Price with VAT: £1,785.53
    £1,487.95 Price with VAT: £1,785.53
    HONEYWELL TPPLSMAROC

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSMAROC

    12 X RELAY OUTPUT MODULE
    £2,059.24 Price with VAT: £2,471.09 Buy Surplus As Low As £1,235.55 Price with VAT: £1,482.66
    £1,235.55 Price with VAT: £1,482.66
    HONEYWELL TPPLSMAVI2

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSMAVI2

    2 X MV INPUT MODULE (1ST F)
    £517.64 Price with VAT: £621.17 Buy Surplus As Low As £310.59 Price with VAT: £372.70
    £310.59 Price with VAT: £372.70
    HONEYWELL WSK-MONITOR

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    WSK-MONITOR

    SWIFT WIRELESS MONITOR MODULE
    £213.10 Price with VAT: £255.72 Buy Surplus As Low As £128.47 Price with VAT: £154.16
    £128.47 Price with VAT: £154.16
    HONEYWELL 1600140

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    1600140

    DUCT DETECTOR HOUSING
    Call for Availability
    HONEYWELL SK-ZONE-6

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SK-ZONE-6

    INTERFACE MODULE
    £427.72 Price with VAT: £513.26 Buy Surplus As Low As £264.85 Price with VAT: £317.81
    £264.85 Price with VAT: £317.81
    HONEYWELL SS2-AML

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2-AML

    COPPER-FREE ALUMINUM HOUSING UV/IR/VIS HIGH-SPEED ELECTRO-OPTICAL FIRE DETECTOR, LATCHING ALARM REL
    £3,324.26 Price with VAT: £3,989.12 Buy Surplus As Low As £1,995.01 Price with VAT: £2,394.01
    £1,995.01 Price with VAT: £2,394.01
    Repair Yours £1,656.46 Price with VAT: £1,987.76
    HONEYWELL SS2-AN

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2-AN

    COPPER-FREE ALUMINUM HOUSING UV/IR/VIS ELECTRO-OPTICAL FIRE DETECTOR, NON-LATCHING ALARM RELAY, CLAS
    £2,085.69 Price with VAT: £2,502.83 Buy Surplus As Low As £1,251.42 Price with VAT: £1,501.70
    £1,251.42 Price with VAT: £1,501.70
    Repair Yours £1,039.07 Price with VAT: £1,246.88
    HONEYWELL SS2-AN-SS

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2-AN-SS

    STAINLESS STEEL HOUSING UV/IR/VIS ELECTRO-OPTICAL FIRE DETECTOR, NON-LATCHING ALARM RELAY, CLASS I,
    £3,062.04 Price with VAT: £3,674.45 Buy Surplus As Low As £1,837.83 Price with VAT: £2,205.39
    £1,837.83 Price with VAT: £2,205.39
    Repair Yours £1,525.73 Price with VAT: £1,830.88
    HONEYWELL SS2-MOD-A

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2-MOD-A

    SS2-A REPLACEMENT ELECTRONICS MODULE (FIRE SENTRY)
    £1,956.47 Price with VAT: £2,347.77 Buy Surplus As Low As £1,174.34 Price with VAT: £1,409.20
    £1,174.34 Price with VAT: £1,409.20
    Repair Yours £974.83 Price with VAT: £1,169.80
    HONEYWELL SS2-MOD-AM

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SS2-MOD-AM

    SS2-AM REPLACEMENT ELECTRONICS MODULE
    £2,828.53 Price with VAT: £3,394.24 Buy Surplus As Low As £1,697.27 Price with VAT: £2,036.72
    £1,697.27 Price with VAT: £2,036.72
    Repair Yours £1,409.35 Price with VAT: £1,691.23
    HONEYWELL 20404-0200

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    20404-0200

    EXTRACTIVE MODULE, FOR USE WITH ELECTROCHEMICAL SENSORS, FOR USE WITH SF6 SENSOR AND PYROLYZER COMBINATION
    £2,706.87 Price with VAT: £3,248.24 Buy Surplus As Low As £1,624.72 Price with VAT: £1,949.67
    £1,624.72 Price with VAT: £1,949.67
    Repair Yours £1,348.90 Price with VAT: £1,618.68
    HONEYWELL 20408-0114

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    20408-0114

    PYROLYZER MODULE FOR SULFUR HEXAFLURIDE (SF6)
    Buy Surplus As Low As £1,670.07 Price with VAT: £2,004.08
    £1,670.07 Price with VAT: £2,004.08
    HONEYWELL SPXRLFLW

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    SPXRLFLW

    SPXRL FLOW HOUSING
    £145.09 Price with VAT: £174.11 Buy Surplus As Low As £87.66 Price with VAT: £105.19
    £87.66 Price with VAT: £105.19
    HONEYWELL TPPLSMAAI4

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSMAAI4

    4 X MA INPUT MODULE (1ST F)
    £1,033.78 Price with VAT: £1,240.53 Buy Surplus As Low As £620.42 Price with VAT: £744.50
    £620.42 Price with VAT: £744.50
    HONEYWELL TPPLSMAAO4

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSMAAO4

    4 X MA OUTPUT MODULE
    £1,033.78 Price with VAT: £1,240.53 Buy Surplus As Low As £620.42 Price with VAT: £744.50
    £620.42 Price with VAT: £744.50
    HONEYWELL TPPLSMAVI4

    HONEYWELL

    SILENT KNIGHT SECURITY SYS

    TPPLSMAVI4

    4 X MV INPUT MODULE (1ST F)
    £1,033.78 Price with VAT: £1,240.53 Buy Surplus As Low As £620.42 Price with VAT: £744.50
    £620.42 Price with VAT: £744.50
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