+
Fit mechanical override
for emergency release
Lock
Lock +
GND
BGU
+
Lock
Normal
Broken
Broken
Normal
Break Glass
2- Pole Changeover
Lock +
GND
BGU
Lock Connections
Fail Secure Lock
Fail Safe Lock with Break Glass
Page 11
By default, locks use the internal
power supply. If required, the door
Blade external power supply can be
used. Visit gtl.biz/BL2D for details.
A Fail Secure lock requires power
to release the lock. The door would
remain locked in the case of a power
failure.
A Fail Safe lock requires power to lock
the door. The door would be unlocked
in the case of a power failure.
+
External Lock
Power Supply
12-24 V dc
GND
In +
0V
+12-24V
IN
Input/Output Connections
The inputs can be supervised and may
optionally be used with line resistors
for fault or tamper detection.
Input switch
Aux In +
Out ±
Return ±
GND
The output connections are volt free
opto-isolated outputs.
Max rating = 30V DC and 300mA
External Power Supply
Need more information?
gtl.biz/satsw
