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Door Security

Door security covers the hardware that locks a door, shows who is standing outside it and reports when it opens. This collection holds products such as electric solenoid and drop bolts from STP, Abloy, CDVI and RGL for access-controlled doors, mechanical deadlocks, EZVIZ smart lock adapters, video doorbells from Ajax, EZVIZ, Dahua and Pyronix, and Ajax DoorProtect contacts, SmartBrackets and wireless alarm kits.

Choosing Door Security

Choose door security by the job: locking the door, seeing who is there, or knowing when it opens.

Electric locking bolts

On access-controlled doors, a solenoid or drop bolt is switched by the door controller. Fail-safe models such as the STP STP-EB250 and RGL DBGLS150 unlock when power is lost, keeping the exit open to people leaving, while fail-secure models such as the STP STP-SB260 and CDVI DX22 stay locked. Drop bolts such as the Abloy FF843 and RGL DBGLS150 also fit glass doors.

Deadlocks and smart locks

Mechanical deadlocks here include the Union B-3G114-SC-67, a 5 lever mortice deadlock with a 14mm bolt throw, and the Adams Rite 2200-110, which has a ceramic core in its bolt against hacksaw attack. The EZVIZ DL01S fits over an existing deadbolt on the inside of the door for keyless unlocking by app and Bluetooth, with no drilling.

Video doorbells and door contacts

A video doorbell lets you see and talk to a caller from your phone: the Ajax DoorBell 66390.125.WH1 has a 4 MP HDR camera, a PIR sensor and AI detection of people, pets and vehicles, and the EZVIZ HP3 Pro runs on a battery with a solar panel. To know when a door opens, wireless Ajax DoorProtect contacts such as the 121293.03.WH1 report to an Ajax hub over Jeweller radio.

ProductExamplePowerNote
Fail-safe solenoid boltSTP STP-EB25012VdcDoor position monitoring
Fail-secure solenoid boltSTP STP-SB26012-28VdcKey override
Glass door drop boltRGL DBGLS15012 V DCRelock timer of 3, 6 or 9 seconds
Motorised deadboltCDVI MVMElectric, manual overrideDoors and gates 40-90mm thick
Video doorbellAjax 66392.125.GP112–24 V DC or 16–24 V AC4 MP, PIR, AI detection
Wireless door contactAjax 121293.03.WH1CR123A batteryBattery life up to 7 years

Brands we stock in Door Security

Abloy, Adams Rite by ASSA ABLOY, Ajax, Alpro, ASSA ABLOY, Axis Communications, Briton, CAME, CDVI, Codelocks, Comelit PAC, Dahua Technology, dormakaba, EZVIZ, Hoyles, Optex, Pyronix, RGL Electronics, Rutland, Safety Technology International, STP, Trimec and Union.

Briton supplies the most, and STP makes most of the solenoid and drop bolts.

Related categories

For controlled entry see access control systems, smart access control and door locks; for callers, video doorbells; and for alarms, burglar and intruder alarms, motion sensors and CCTV cameras. See also Electric Deadbolts, Euro Cylinders and Ajax Door & Window Sensors. Our Help & Support blog covers Ajax door and window sensors.

Frequently asked questions

What is a door security system?

A door security system is the hardware that locks a door, controls who can open it and warns when it is forced or left open. It can combine electric bolts or deadlocks with an access controller, a video doorbell for seeing callers, and door contacts linked to an alarm. The range here includes solenoid bolts, deadlocks, video doorbells and door contacts.

Which door locks improve security?

A deadlock usually improves door security, because its bolt cannot be pushed back like a spring latch once it is thrown. When choosing a euro cylinder for a uPVC or composite door, look for anti-snap and anti-drill protection. Doors with card or keypad entry usually need an electrically released lock rather than a lock opened by key alone. The range here includes deadlocks, euro cylinders and electric bolts.

  • Established 1975
  • Birmingham trade counter
  • UK-only supply

Written by the West Midlands Electrics technical team

Updated

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