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Security Accessories Reed Switches

Reed Switches for Alarm Systems

Reed switches are used in alarm systems, they are located within the door and are known to be flush mounted. Or mounted on the door or window, surface mounted .One part of the contact is a switch installed in the window or door jam; the other contains a magnet and is placed in the window or door itself. 

Any noticeable shift in contact with the switch breaks the magnetic field and triggers an alarm.

Check out our huge selection range of reed switches from leading brands Bosch, Risco, Sentrol, and Tane.

Flushmounted Reed Switches
Reed Switches as they are often called can be either recessed or flush mounted.
A hole is drilled inside the door jam and the reed switch is inserted. 
Flush mounted reed switches are often more inexpensive, but do require extra labour for installation.

Surface Mounted Reed Switches

Surface mounted reed switches are mounted to the surface of windows or doors, these reed switches are often available in multiple colours to blend in with home or office décor/ window frame to be discreet.

Surface mounted reeds can also be used for roller doors.
Top 3 Reed Switches

Check out our post on The Top 3 Reed Switches


  • Reed Switch Standard Surface Mount, White

    Original price $14.70
    Original price $14.70 - Original price $14.70
    Original price $14.70
    Current price $9.20
    $9.20 - $9.20
    Current price $9.20
    Out of stock

    Reed switch RW standard surface mounted white, industry standard n/c contact with solder terminals, suitable for doors and windows. Model: RW Surf...

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    Original price $14.70
    Original price $14.70 - Original price $14.70
    Original price $14.70
    Current price $9.20
    $9.20 - $9.20
    Current price $9.20
    Sold out
  • Bosch Wireless Reed, Radion, RFDW-SM

    Original price $127.41
    Original price $127.41 - Original price $127.41
    Original price $127.41
    Current price $97.51
    $97.51 - $97.51
    Current price $97.51
    In stock

    Bosch wireless reed switch RFDW-SM with internal magnetic contact to suit wireless receiver B810 with 5 years battery life. Model RFDW-SM The Bosch...

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    Original price $127.41
    Original price $127.41 - Original price $127.41
    Original price $127.41
    Current price $97.51
    $97.51 - $97.51
    Current price $97.51
    Sale Sale
  • Sentrol Roller Door Reed Switch, 2202AU-L

    Original price $46.90 - Original price $46.90
    Original price
    $46.90
    $46.90 - $46.90
    Current price $46.90
    In stock

    Sentrol Roller Door Reed Switch, 2202AU-L, the 2200 Series overhead door magnetic contact is for use in the rigorous environments of commercial and...

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    Original price $46.90 - Original price $46.90
    Original price
    $46.90
    $46.90 - $46.90
    Current price $46.90
  • Sentrol Roller Reed Roller Shutter Heavy Duty SEN1046, 2202A-L28

    Original price $61.50 - Original price $61.50
    Original price
    $61.50
    $61.50 - $61.50
    Current price $61.50
    In stock

    Sentrol's Roller Reed Shutter Heavy Duty SEN1046 provides reliable security solutions with robust construction. Model: 2202A-L28 The floor mount un...

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    Original price $61.50 - Original price $61.50
    Original price
    $61.50
    $61.50 - $61.50
    Current price $61.50
  • DSC Wireless Door Window Magnetic Contact, PG4303

    Original price $104.99
    Original price $104.99 - Original price $104.99
    Original price $104.99
    Current price $95.04
    $95.04 - $95.04
    Current price $95.04
    In stock

    DSC Wireless Door Window Magnetic Contact, PG4303 connects back to security panel via wireless transmitting. Model: PG4303 Discreet Design Built i...

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    Original price $104.99
    Original price $104.99 - Original price $104.99
    Original price $104.99
    Current price $95.04
    $95.04 - $95.04
    Current price $95.04
    Sale Sale
  • Reed Switch Standard Surface Mount, Brown

    Original price $14.70
    Original price $14.70 - Original price $14.70
    Original price $14.70
    Current price $9.20
    $9.20 - $9.20
    Current price $9.20
    In stock

    Reed switch RW standard surface mounted brown, industry standard n/c contact with solder terminals, suitable for doors and windows. Model: RB Surf...

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    Original price $14.70
    Original price $14.70 - Original price $14.70
    Original price $14.70
    Current price $9.20
    $9.20 - $9.20
    Current price $9.20
    Sale Sale
  • Tane Stubby Recessed Reed Switch, TANSTB-10-WH

    Original price $8.15
    Original price $8.15 - Original price $8.15
    Original price $8.15
    Current price $4.93
    $4.93 - $4.93
    Current price $4.93
    In stock

    White mini recessed reed switch TAP-STB10 stubby recessed contact 3/8" × 3/4" with standard gap Model : TAP-STB10 Features : The stubby-type rece...

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    Original price $8.15
    Original price $8.15 - Original price $8.15
    Original price $8.15
    Current price $4.93
    $4.93 - $4.93
    Current price $4.93
    Sale Sale
  • Hikvision Wireless Magnetic Contact, DS-PDMC-EG2-WB

    Original price $61.60
    Original price $61.60 - Original price $61.60
    Original price $61.60
    Current price $50.93
    $50.93 - $50.93
    Current price $50.93
    In stock

    The DS-PDMC-EG2-WB is a wireless opening detector that notifies of first signs of room intrusion by means of a broken door or window. It can be mou...

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    Original price $61.60
    Original price $61.60 - Original price $61.60
    Original price $61.60
    Current price $50.93
    $50.93 - $50.93
    Current price $50.93
    Sale Sale
  • Smart Hard Wired Roller Reed Switch Industrial, WM88

    Original price $65.76
    Original price $65.76 - Original price $65.76
    Original price $65.76
    Current price $55.76
    $55.76 - $55.76
    Current price $55.76
    In stock

    Highly-Intelligent Hard-Wired Roller Drop Reed Switch with SIL Detector Gap of 50mm; NCX1 Contact Mounted to Metal Surface; 16Hx15Wx106D Contact wi...

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    Original price $65.76
    Original price $65.76 - Original price $65.76
    Original price $65.76
    Current price $55.76
    $55.76 - $55.76
    Current price $55.76
    Sale Sale
  • Sentrol Industrial Wide Gap Surface Mount Magnetic Contacts, 2507AH-L

    Original price $124.00 - Original price $124.00
    Original price
    $124.00
    $124.00 - $124.00
    Current price $124.00
    In stock

    The 2500 Series is designed to be installed in commercial and industrial environments where a rugged sealed unit is required. It is ideal for metal...

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    Original price $124.00 - Original price $124.00
    Original price
    $124.00
    $124.00 - $124.00
    Current price $124.00
  • DSC Wireless Door Window Contact with Auxiliary Input, PG4945

    Original price $122.99
    Original price $122.99 - Original price $122.99
    Original price $122.99
    Current price $111.97
    $111.97 - $111.97
    Current price $111.97
    In stock

    DSC wireless window contact PG4945 will work with NEO security system to provide early detection of break in via the windows. Model: PG4945 Feature...

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    Original price $122.99
    Original price $122.99 - Original price $122.99
    Original price $122.99
    Current price $111.97
    $111.97 - $111.97
    Current price $111.97
    Sale Sale
  • Sentrol 1125W-N Mini 3/8 Wide Recessed Press Fit, S2544

    Original price $11.55 - Original price $11.55
    Original price
    $11.55
    $11.55 - $11.55
    Current price $11.55
    In stock

    Sentrol 1125W-N Mini 3/8 END Recessed Press Fit Model : S2532 The 1125 series stubby press fit magnetic contact is a 3/8-inch diameter switch desig...

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    Original price $11.55 - Original price $11.55
    Original price
    $11.55
    $11.55 - $11.55
    Current price $11.55
  • Reed Switch Standard Surface Mount, Grey

    Original price $14.70
    Original price $14.70 - Original price $14.70
    Original price $14.70
    Current price $9.52
    $9.52 - $9.52
    Current price $9.52
    In stock

    Reed switch RW standard surface mounted grey, industry standard n/c contact with solder terminals, suitable for doors and windows. Model: RG Surf...

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    Original price $14.70
    Original price $14.70 - Original price $14.70
    Original price $14.70
    Current price $9.52
    $9.52 - $9.52
    Current price $9.52
    Sale Sale
  • Sentrol Steel Door Recessed Reed Switch, 3/4" Diameter, SPDT, 3/8" Gap Size , Closed Loop, 1078C-N

    Original price $22.77
    Original price $22.77 - Original price $22.77
    Original price $22.77
    Current price $12.50
    $12.50 - $12.50
    Current price $12.50
    In stock

    The 1078 Series Steel Door contacts Sentrol reed switch is designed specifically for use in the steel doors commonly found in commercial building a...

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    Original price $22.77
    Original price $22.77 - Original price $22.77
    Original price $22.77
    Current price $12.50
    $12.50 - $12.50
    Current price $12.50
    Sale Sale
  • Tane Surface Mount Reed Switch, SM20WG

    Original price $17.95 - Original price $17.95
    Original price
    $17.95
    $17.95 - $17.95
    Current price $17.95
    In stock

    Tane Surface Mount Reed Switch Model - SM20WG Tane Surface Mount Wide Gap Reed switch. Suitable for door opening and windows. White plastic NC su...

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    Original price $17.95 - Original price $17.95
    Original price
    $17.95
    $17.95 - $17.95
    Current price $17.95
  • Bosch Wireless Universal Transmitter, RFUN

    Original price $0.00 - Original price $0.00
    Original price $0.00
    $133.81
    $133.81 - $133.81
    Current price $133.81
    In stock

    Bosch wireless universal transmitter RFUN, is a single arm loop input with integrated magnetic reed switch contact, comes with lithium battery. Mod...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $133.81
    $133.81 - $133.81
    Current price $133.81
  • Sentrol Reed Switch Short Roller, RB-32-WH

    Original price $16.17 - Original price $16.17
    Original price
    $16.17
    $16.17 - $16.17
    Current price $16.17
    In stock

    Sentrol Reed Switch Sentrol Short Roller Model: Sentrol Reed Switch Short Roller, RB-32-WH

    Original price $16.17 - Original price $16.17
    Original price
    $16.17
    $16.17 - $16.17
    Current price $16.17
  • Sentrol Reed Switch Mini Wide Gap, Normally open, SEN1035-N

    Original price $11.75
    Original price $11.75 - Original price $11.75
    Original price $11.75
    Current price $10.75
    $10.75 - $10.75
    Current price $10.75
    In stock

    Sentrol Reed Switch Wide Gap Mini Miniature Magnetic Contacts with  Wire Leads The 1035 Series magnetic contacts save installation time through the...

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    Original price $11.75
    Original price $11.75 - Original price $11.75
    Original price $11.75
    Current price $10.75
    $10.75 - $10.75
    Current price $10.75
    Sale Sale
  • Sentrol Reed Switch Recessed, 1075W-N

    Original price $9.90 - Original price $9.90
    Original price
    $9.90
    $9.90 - $9.90
    Current price $9.90
    In stock

    The Sentrol 1075 series press fit switch is a 3/8-inch diameter magnetic contact with wire leads that uses no glue or screws to mount. Small ribs ...

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    Original price $9.90 - Original price $9.90
    Original price
    $9.90
    $9.90 - $9.90
    Current price $9.90
  • Hikvision Wireless Slim Magnetic Contact, DS-PDMCS-EG2-WB

    Original price $61.60
    Original price $61.60 - Original price $61.60
    Original price $61.60
    Current price $40.00
    $40.00 - $40.00
    Current price $40.00
    Out of stock

    The DS-PDMCS-EG2-WB is a slimline wireless opening detector that notifies of first signs of room intrusion by means of a broken door or window. It ...

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    Original price $61.60
    Original price $61.60 - Original price $61.60
    Original price $61.60
    Current price $40.00
    $40.00 - $40.00
    Current price $40.00
    Sold out
  • Tane Stubby Recessed Reed Switch, NC, TAP-STB11

    Original price $16.04 - Original price $16.04
    Original price
    $16.04
    $16.04 - $16.04
    Current price $16.04
    In stock

    White mini recessed reed switch TAP-STB11 stubby recessed contact 3/8" × 3/4" with standard gap. Model : TAP-STB11 Features : Stubby Recessed Con...

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    Original price $16.04 - Original price $16.04
    Original price
    $16.04
    $16.04 - $16.04
    Current price $16.04
  • Sentrol 2207AH-L Overhead Door Magnetic Contact, 2207AH-L

    Original price $102.50 - Original price $102.50
    Original price
    $102.50
    $102.50 - $102.50
    Current price $102.50
    In stock

    Sentrol 2207AH Overhead Door Magnetic Contact, is a low profile and made of stainless steel Model : 2207AH-L Features Miniature, Low-profile Desig...

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    Original price $102.50 - Original price $102.50
    Original price
    $102.50
    $102.50 - $102.50
    Current price $102.50
  • Tane Surface Mount Armored Reed Switch, MET-200AR

    Original price $27.92 - Original price $27.92
    Original price
    $27.92
    $27.92 - $27.92
    Current price $27.92
    In stock

    Tane Surface Mount Armored Reed Switch Model : MET-200AR Metal Surface mount reed switch with armored cable. Features : Contact size : 51mm x 18...

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    Original price $27.92 - Original price $27.92
    Original price
    $27.92
    $27.92 - $27.92
    Current price $27.92
  • Sentrol Roller Door Reed Extra Heavy Duty, 2205A-L

    Original price $74.00
    Original price $74.00 - Original price $74.00
    Original price $74.00
    Current price $66.00
    $66.00 - $66.00
    Current price $66.00
    In stock

    Sentrol Overhead door floor mount extra heavy duty magnetic contact with aluminum housing, closed loop, wide gap, 3 in. gap size, 3 ft. stainless s...

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    Original price $74.00
    Original price $74.00 - Original price $74.00
    Original price $74.00
    Current price $66.00
    $66.00 - $66.00
    Current price $66.00
    Sale Sale

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