Electric strike door locks
An electric strike door lock is a type of electro-mechanical door locking device. They perform the functions of a mechanical lock, but are powered by electricity. You can get an electric strike for double doors and standard doors. Availability of electric power also makes it possible to incorporate additional functionality beyond basic locking and unlocking. So, how do electric strikes work?
Curious about electric door strike installation? An electric strike is installed on the inside of a door frame where it replaces a standard door lock strike plate. A hinged piece of metal, similar to a conventional strike plate, provides the ‘latch’. The electric motor and cabling are also installed on the inside of the door frame to form an electric strike plate lock. Installation must be precise and may require the services of a skilled, specialist installer.
A small motor on the strike is connected to a power supply and the current holds the strike plate in the locked position to keep the door closed and secured. When a door system submits a signal to release the lock, the strike place pivots allowing an authorized user to open the door.
An electric strike plate lock can be used in conjunction with different types of access control, including keypads (keypad magnetic lock), proximity systems, electronic key cards, and RFID access cards.
Fail-safe or fail-secure modes
Are magnetic door locks safe? Are mag locks fail secure? Are mag locks fail safe?
Electric door strike locks can operate in either fail-safe or fail-secure mode in the event of a power outage. While fail-safe is the default mode, electric strike fail-secure locks can be operated by using a switch, provided back-up power or battery supply is available.
Electric strikes secure one side of the door. Anyone on the outside of the door requires authorization to open it. However, anyone on the inside of the door can open it. That makes electric strikes suitable for doors where access only has to be monitored and controlled in one direction.
Electric strikes can be operated in fail-secure mode, which enables them to remain locked in the event of a power outage. This makes them suitable for doors that protect secure areas.
Affordable – Electric strikes cost less to purchase than magnetic security locks, although more complex installation may add to overall costs.
Single-sided security – This is a practical, affordable solution for doors that only need to control access in one direction.
No exit delays – Doors can be easily opened from the inside, making it easy for users to leave an area.
Increased security – If the power goes out, doors with electric locks will remain securely locked. However, for safety reasons, anyone inside the building can unlock the door by pressing the panic bar.
Simple functionality – The lock does not require any modification to the locking mechanism. The strike plate replaces the standard latch and operates in the same way as a mechanical lock.
Flexible –The lock can be operated in fail-safe or fail-secure mode.
Complex installation –The locks must be fitted with great precision, generally by a specialist installer.
Unsuitable door frames – Electric strikes must be precisely matched to the hardware on the door. Some types of door frames may not be suitable for this type of lock.
Risk of tampering – The locks are visible to the door user (unlike hidden magnetic locks), which can make it more susceptible to tampering.
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