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ELECTRIFIED
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5400LN Series Cylindrical Lock
Features
•Patented Free Wheeling lever mechanism.
•Self-contained, continuous-duty integral
solenoid (allows installation in standard
cylindrical prep).
•Available Fail Safe or Fail Secure.
•Available in 12 or 24 volts AC/DC.
• External rectifier for AC operation.
•Mechanical cylinder override.
•All 5400LN cylinder options.
•ANSI Grade 1.
•UL listed.
ELECTRIFIED 5400LN CYLINDRICAL LOCKSET
Outside Inside Function Function Description
5490LN
Fail Safe
•Power on/locks outside lever.
•Inside lever always free.
• Latchbolt retracted by key when locked
electrically.
•Free Wheeling lever when locked
electrically.
5491LN
Fail Secure
•Power on/unlocks outside lever.
•Inside lever always free.
• Latchbolt retracted by key when power
is off.
•Free Wheeling lever when power is off
(locked).
OPERATION
Electric locks provide the ability to electrically lock or unlock the outside trim from a remote location. Fail
Safe locks are commonly used in stair towers to release upon fire alarm activation. Fail Secure locks are used
on perimeter doors or security doors to allow ingress using access control technologies (proximity cards,
keypads, etc.)