Datasheet
D4SL-N / D4SL-NSK10-LK@
13
Contact Form
Indicates conditions where the Key is inserted and the lock is applied. 
Model
Contact
(door open/ 
closed detection 
and lock monitor)
Contact Form
Operating pattern Remarks
Lock 
monitor
Door open/
closed 
detection
D4SL-N@A@@-@
1NC/1NO+
1NC/1NO
Only NC contact 11-12 has a 
certified direct opening 
mechanism. 
The terminals 42-11, 34-33, and 
64-63 can be used as unlike 
poles.
D4SL-N@B@@-@ 1NC/1NO+2NC
Only NC contact 11-12 has a 
certified direct opening 
mechanism. 
The terminals 42-11, 34-33, and 
62-61 can be used as unlike 
poles.
D4SL-N@C@@-@ 2NC+1NC/1NO
Only NC contact 11-12 and 31-
32 has a certified direct opening 
mechanism. 
The terminals 42-11, 32-31, and 
64-63 can be used as unlike 
poles.
D4SL-N@D@@-@ 2NC+2NC
Only NC contact 11-12 and 31-
32 has a certified direct opening 
mechanism. 
The terminals 42-11, 32-31, and 
62-61 can be used as unlike 
poles.
D4SL-N@S@@-@
1NC/1NO+
1NC/1NO
Only NC contact 21-22 has a 
certified direct opening 
mechanism. 
The terminals 42-41, 22-21, 34-
33, and 64-63 can be used as 
unlike poles.
D4SL-N@T@@-@ 1NC/1NO+2NC
Only NC contact 21-22 has a 
certified direct opening 
mechanism. 
The terminals 42-41, 22-21, 34-
33, and 62-61 can be used as 
unlike poles.
D4SL-N@U@@-@ 2NC+1NC/1NO
Only NC contact 21-22 and 31-
32 has a certified direct opening 
mechanism. 
The terminals 42-41, 22-21, 32-
31, and 64-63 can be used as 
unlike poles.
D4SL-N@V@@-@ 2NC+2NC
Only NC contact 21-22 and 31-
32 has a certified direct opening 
mechanism. 
The terminals 42-41, 22-21, 32-
31, and 62-61 can be used as 
unlike poles.
42
64 63
41
12
Door open/closed 
detection
Lock monitor
11
34 33
2
8
1
5
7 6
On
Stroke
42-11
34-33
64-63
Operation Key Insertion 
completion position
Extraction 
completion position
Lock position
42
62 61
41
12 11
34
33
Door open/closed 
detection
Lock monitor
2
8
1
5
7 6
On
Stroke
42-11
34-33
62-61
Operation Key Insertion 
completion position
Extraction 
completion position
Lock position
42
64 63
41
12 11
32 31
Door open/closed
detection
Lock monitor
2
8
1
5
7 6
On
Stroke
42-11
32-31
64-63
Operation Key Insertion 
completion position
Extraction 
completion position
Lock position
42
62 61
41
12 11
3132
Door open/closed
detection
Lock monitor
2
8
1
5
7 6
On
Stroke
42-11
32-31
62-61
Operation Key Insertion 
completion position
Extraction 
completion position
Lock position
42
64 63
41
34 33
2122
Door open/closed
detection
Lock monitor
2
8
3
4
1
5
7 6
On
Stroke
42-41
22-21
34-33
64-63
Operation Key Insertion 
completion position
Extraction 
completion position
Lock position
42
62 61
41
34 33
2122
Door open/closed
detection
Lock monitor
2
8
3
4
1
5
7 6
On
Stroke
42-41
22-21
34-33
62-61
Operation Key Insertion 
completion position
Extraction 
completion position
Lock position
42
64 63
41
32 31
2122
Door open/closed
detection
Lock monitor
2
8
3
4
1
5
7 6
On
Stroke
42-41
22-21
32-31
64-63
Operation Key Insertion 
completion position
Extraction 
completion position
Lock position
42
62 61
41
32 31
2122
Door open/closed
detection
Lock monitor
2
8
3
4
1
5
7 6
On
Stroke
42-41
22-21
32-31
62-61
Operation Key Insertion 
completion position
Extraction 
completion position
Lock position










