Copyright © All Rights Reserved. P-MU-ML-300 Ver. H Publish: 2010.12.24
4 - 2
Wiring Diagram
Yellow
ML-300 Voltage Input: 12 or 24VDC
Lock bolt sensor status output
For 12VDC operation, the solenoid input wires
should be connected in parallel as shown below.
12VDC Power supply
12VDC Power supply
Black
Red
Black
Red
Varistor
(Power input is polarity free)
Green
Blue
“Fail-Safe”
(Power to Lock)
Access Control Device
N.C. contact
“Fail-Secure”
(Power to Open)
Yellow
Green
Blue
Varistor
Black
Red
Black
Red
(Power input is polarity free)
12VDC Power supply
Access Control Device
N.O. contact
For 24VDC operation, the solenoid input wires
should be connected in series as shown below.
Black
Red
Black
Red
Varistor
(Power input is polarity free)
24VDC Power supply
“Fail-Safe”
(Power to Lock)
Yellow
Green
Blue
Access Control Device
N.C. contact
Black
Red
Black
Red
Varistor
(Power input is polarity free)
24VDC Power supply
Yellow
Green
Blue
“Fail-Secure”
(Power to Open)
Access Control Device
N.O. contact
Copyright © All Rights Reserved. P-MU-ML-300 Ver. H Publish: 2010.12.24
4 - 3
Wiring Diagram
For the 12~24VDC/AC operation only
ML-300 Voltage Input: 12~24VDC/AC
Lock bolt sensor status output
12~24VDC/AC Power supply
“Fail-Safe”
(Power to Lock)
Red
Red
Varistor
(Power input is polarity free)
Yellow
Green
Blue
Access Control Device
N.C. contact
Red
Red
Varistor
12~24VDC/AC Power supply
(Power input is polarity free)
“Fail-Secure”
(Power to Open)
Yellow
Green
Blue
Access Control Device
N.O. contact
NOTE:
The varistor (or diode) must be connected across the terminals as shown above. This protects the electromechanical
lock from spikes and surges.
ø5.0
ø5.0
ø5.0
30
19.5
30
86.5
318
275
25
30
19.5
ø5.0
ø18.0
ø11.0
150
206
Alignment CL
Cut on dotted line
Alignment CL
Alignment CL
Door leaf edge
Door leaf edge
Template
Unit:mm
Butt Splice (IDC) Connector
Using crimper or pliers and pressing the header of
connector down to even position.
