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• ACCESS CONTROL
  • Access Controllers & Kits
    • ELSEMA
    • HIKVISION
    • NIDAC
    • SCHLAGE
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    • SEBURY
    • SUPREMA
    • ULTRA ACCESS
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    • NETDIGITAL
  • Cards & Fobs
    • AIRKEY
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    • ALLEGION
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    • PADDE
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    • FSH
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    • BQT
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    • LOX
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  • Exit Switches & Devices
    • GEM
    • NETDIGITAL
    • SEBURY
    • SECOR
  • Readers & Code Pads
    • AIPHONE
    • BOSCH
    • HID
    • HIKVISION
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    • SECOR
    • SUPREMA
• AUDIO/VISUAL/PRO AUDIO
  • AV - PA Misc & Spares
    • REDBACK
  • HDMI/DVI/VGA Devices & Cables
    • XTENDR
  • Monitor Brackets & Mounts
    • ULTRA SURVEILLANCE
  • PA Microphones & Amplifiers
    • CMX AUDIO
  • PA Speakers
    • CMX AUDIO
• CCTV SURVEILLANCE
  • Analogue/AHD Cameras
    • HIKVISION
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    • XTENDR
  • CCTV Kits
    • HIKVISION 6MP
    • HILOOK
    • TP LINK
  • Controllers & Processors
    • HIKVISION
    • TP LINK
  • DVR/NVR Recorders
    • HIKVISION
    • HILOOK
    • TP LINK
  • HD-IP Cameras
    • HIKVISION
    • HIKVISION 4MP
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    • HILOOK
    • NEDAP
    • TP LINK
    • ULTRA SURVEILLANCE
  • Housings Brackets & Mountings
    • HIKVISION
    • TP LINK
  • Monitors
    • HIKVISION
    • ULTRA SURVEILLANCE
  • Thermal Cameras
    • HIKVISION
    • HIKVISION 4MP
  • Video Amplifiers & Distributors
    • NETDIGITAL
    • XTENDR
• INTERCOM
  • Apartment Intercom
    • AIPHONE
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    • AIPHONE
    • ARISTEL
  • AV - PA Speakers
    • REDBACK
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    • AIPHONE
    • HIKVISION
  • Intercom Kits
    • AIPHONE
    • HIKVISION
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  • Misc & Spares
    • AIPHONE
  • Video Intercom
    • AIPHONE
    • BOUJEE BOXES
    • HIKVISION
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    • NETDIGITAL
• NETWORKING/COMPUTERS
  • Computers & Accessories
    • LOGITECH
    • TP LINK
    • WESTERN DIGITAL
  • Fibre Transmission
    • GARLAND
    • PLANET
    • XTENDR
  • KVM Devices & Cables
    • XTENDR
  • Modems & Routers
    • TP LINK
  • Network Converters & Injectors
    • EQL TELECONNECT
    • PLANET
    • TP LINK
  • Network Switches (Non POE)
    • HIKVISION
    • PLANET
    • TP LINK
  • Network Switches (POE)
    • HIKVISION
    • HILOOK
    • PLANET
    • TP LINK
    • UBIQUITI
  • Patch Panels & Leads
    • 4CABLING
    • GARLAND
    • NETDIGITAL
    • XTENDR
  • Rack Cabinets
    • GLOBAL RACKS
    • PSS DISTRIBUTORS
  • USB Devices & Cables
    • XTENDR
  • Wireless Networking
    • TP LINK
    • UBIQUITI
• SECURITY EQUIPMENT
  • Alarm Communicators
    • BOSCH
    • PERMACONN
  • Alarm Kits
    • BOSCH 2000 - WIRED
    • BOSCH 3000 - WIRED
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    • HIKVISION
  • Control Panels & Modules
    • BOSCH
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    • DIGIFLEX
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    • HIKVISION
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    • TAKEX
    • ULTRA DETECTION
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    • ARITECH
    • BOSCH
    • ELSEMA
    • GJD
    • HIKVISION
    • NETDIGITAL
    • SENTROL
    • SORHEA
    • TAKEX
    • ULTRA DETECTION
  • Keypads
    • BOSCH
    • DIGIFLEX
    • EIGHT
  • Misc & Spares
    • BOSCH
    • HONEYWELL
    • NETDIGITAL
    • NIDAC
    • PSS DISTRIBUTORS
    • SECOR
    • SENTROL
    • SORHEA
    • TAKEX
  • Reed Switches
    • BOSCH
    • SECOR
    • SENTROL
    • TAG
  • RF Equipment
    • AIRKEY
    • BOSCH
    • DIGIFLEX
    • ELSEMA
    • NETDIGITAL
    • SECOR
    • SORHEA
    • TMD
  • Siren Kits, Strobes & Sounders
    • NETDIGITAL
    • QLIGHT
    • SECOR
    • TAG
• TRADE CONVENIENCE PRODUCTS
  • 240 Volt Accessories
    • CABAC
    • CLIPSAL
    • DATAMASTER
    • NETDIGITAL
  • AV - PA Microphones & Amplifiers
    • REDBACK
  • Batteries Alkaline
    • DURACELL
  • Batteries Lead Acid
    • AUSCELL
    • NETDIGITAL
  • Batteries Lithium
    • ENERGIZER
    • HIKVISION
    • PANASONIC
    • TAKEX
  • Cable
    • AIPHONE
    • GARLAND
    • HIKVISION
    • OLEX
  • Enclosures
    • ALLBRO
    • ELSEMA
    • NETDIGITAL
    • PSS DISTRIBUTORS
  • Fixings Fasteners & Tapes
    • CABAC
    • NETDIGITAL
    • PROLOK
    • RAMSET
    • SLEGERS
  • Leads Plugs & Connectors
    • CABAC
    • DATAMASTER
    • LOCKWOOD
    • NETDIGITAL
    • TAG
    • TELEMASTER
    • WAGO
    • XTENDR
  • Misc & Spares
    • CORRYPLATE
    • NETDIGITAL
  • Power Supplies & UPS
    • HIKVISION
    • NETDIGITAL
    • POWERMASTER
    • PSS DISTRIBUTORS
    • ROSSLARE
  • Switches
    • NETDIGITAL
  • Timers & Relays
    • BOSCH
    • NETDIGITAL
    • NIDAC
    • PSS DISTRIBUTORS
    • TMD
  • Tools - Hand
    • ARROW
    • CABAC
    • CRESCENT
    • DATAMASTER
    • IRWIN
    • KLEIN TOOLS
    • LENOX
    • NETDIGITAL
    • PROSKIT
    • RAMSET
    • SLEGERS
    • UNILITE
    • VETO PRO PAC
    • WELLER
  • Tools - Power
    • NETDIGITAL

SENTROL, Reed switch, Surface mount, Magnetic contact, NO, 20mm gap, White,