Electrified locks
Schlage • ND-Series service manual • 105
Electrified locks
ND-Series EL, electrically locked (fail safe)
Outside knob/lever or both outside and inside knobs/levers (depending on function) will lock when power is applied. In the
event of power failure, the opening will be unlocked.
ND-Series EL, electrically unlocked (fail secure)
Outside knob/lever or both outside and inside knobs/levers (depending on function) will unlock when power is applied. In the
event of power failure, the opening will be locked.
Electrical requirements
ND-Series electrified locks are powered by DC power only. DO NOT USE AC POWER.
•
Voltage: 12 or 24 V DC (maximum 26.4 V, minimum 10.8 V)
•
Holding current: 10 mA
•
Peak current:
230 mA
•
Operating temperature: 32°F to 120°F (0°C to 49°C)
•
All power requirements shown are for single lock operation.
Maximum Total Wire Length
AWG
14
16
18
20
Vo
lt
ag
e
12 V
500’
(152 m)
300’
(91 m)
200’
(61 m)
100’
(30 m)
24 V
Up to 1000’ (304 m)
Note: Either lock wire may be attached to either
power supply terminal (+ or -).
Switch (not
furnished)
Electrified hinge/EPT
(not furnished)
12 or 24 V DC
Lock to hinge or
EPT harness
(not furnished)
Power supply
12 or 24 VDC
(not furnished)
Mode
select
switch
Allegion Connect
Allegion Connect, a factory-installed Molex
®
connector system, provides simplified installation and maintenance utilizing
quick-connect harnesses and hinges. Alternatively, the Molex connector may be cut off and the lock installed with traditional
wire splicing methods.
WIRE COLOR AND FUNCTION
Pin
Color
Function
1
Black
Power (auto detects GND, +12 or +24 V DC)
1 2
3 4
5 6
7 8
2
Red
Power (auto detects GND, +12 or +24 V DC)
3
Purple
RX NO (normally open)
4
Grey
RX NC (normally closed)
5
White
RX COM (common for RX)
6, 7, 8
Not used
Variable length
wiring harness
(6" to 192")
EPT or electrified
hinge
6” wiring
harness
To
power
supply
