An electric strike is an access control device used on
door frames to enhance your security. It replaces the fixed strike faceplate
generally used with a latch or keeper. An electric strike comes with a ramped
or beveled surface that connects to the locking latch allowing the door to
close and latch as a fixed strike would. However, the ramped surface of electric
strikes moves out of the way when the door is in the locked position, and
the door is opened. It allows the user to pull/push the door to open it without
using a mechanical lock or key. Once the door is extended past the latch, it
returns to its standard position and re-locks as power is removed or applied,
depending upon the strike's configuration.
Types of electric strikes by
locking device
Electric strikes can be classified in several ways, such
as frame type used for installation, duty (continuous or intermittent), and the
kind of locking mechanism on the door it can work with. The four most common electric strikes locking mechanisms are:
●
Cylindrical
●
Deadbolt
●
Mortise
●
Rim Panic Exit Devices
Let us take a quick look at each of these:
Cylindrical – these types of electric strikes are usually found in
residential properties. As such, they are the cheapest options among the four.
Deadbolts - also known as deadlocks, they do not have a spring
mechanism. It means that the strike for a deadbolt is 'hold' only. In other
words, when the deadbolt is thrown, and it engages in the electric strike
cavity, the electric strike can release it. However, it cannot subsequently
'recapture it' as the deadbolt lacks the spring latching capability of the
other locksets. But specialty electric strikes that hold the electric strike
keeper open until the door with the extended deadbolt closes back are
available. This enables the electric strike to retake the extended deadbolt.
Mortise – these locksets are inclined towards more prominent
projecting latches from the door to engage deeper in the frame. The electric
strikes used for these locking mechanisms require more cutting and space in the
frame. Rim exit devices - panic bars or crash bars - are needed in many
buildings. This is because the single motion method of egress and electric
strikes is different from the electric strikes used for other situations.
Rim panic electric strikes – these are sometimes called no cut electric strikes,
which mean that the strike is bolted to the surface of the doorpost without
cutting into the frame or modifying it. Vertical rod exit devices use specialty
electric strikes. The exit device's bottom rod is mostly deactivated, and as
the specialty electric strike is mounted at the top of the door frame it
facilitates working with the top latch of the vertical rod exit device.
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