Dormakaba DB25K - Page 9

Operating Manual Operating modes and functions
WN 60425 45532/16458 - 08/2022 Solenoid Drop Bolt with manual Key Override 9
• If the door has been opened, the lock remains unlocked until the door is closed.
When the door is closed, the relocking time is started.
• After the door is closed and the relocking time has elapsed, the lock latches
the bolt.
Functional overview of lock and connection variants DB25K
Connection Multiple relocking Automatic. Re-
locking
Time for relocking
adjustable
Multiple
unlocking
Lock variant: Fail-safe (currentless opening)
Three-wire
connection
yes (9×) yes yes no
Two-wire connection not applicable not applicable not applicable not applicable
Lock variant: Fail-secure (currentless closing)
Three-wire
connection
no yes yes yes (5×)
Two-wire connection no not applicable no yes (5×)
Table1: Overview of functions