D4N
Contact Form
Note:
Terminals are numbered according to EN50013 and the contact forms are according to IEC947-5-1.
* MBB (Make Before Break) contacts have an overlapping structure, so that before the normally closed contact (NC) opens, the normally open
contact (NO) closes.
Model
Contact
Contact form
Operating pattern
Remarks
D4N-
@
1
@
1NC/1NO
(Snap-action)
D4N-
@
2
@
2NC (Snap-action)
D4N-
@
A
@
1NC/1NO
(Slow-action)
D4N-
@
B
@
2NC (Slow-action)
D4N-
@
C
@
2NC/1NO
(Slow-action)
D4N-
@
D
@
3NC (Slow-action)
D4N-
@
E
@
1NC/1NO MBB *
(Slow-action)
D4N-
@
F
@
2NC/1NO MBB *
(Slow-action)
14
32
13
31
Zb
ON
Stroke
13-14
31-32
Only NC contacts 31-32 have a
certified direct opening
mechanism.
The terminals 13-14 and 31-32
can be used as unlike poles.
11
31
12
32
Zb
ON
Stroke
11-12
31-32
Only NC contacts 11-12 and
31-32 have a certified direct
opening mechanism.
The terminals 11-12 and 31-32
can be used as unlike poles.
11
33
12
34
Zb
ON
Stroke
11-12
33-34
Only NC contacts 11-12 have a
certified direct opening
mechanism.
The terminals 11-12 and 33-34
can be used as unlike poles.
11
31
12
32
Zb
ON
Stroke
11-12
31-32
Only NC contacts 11-12 and
31-32 have a certified direct
opening mechanism.
The terminals 11-12 and 31-32
can be used as unlike poles.
33
34
11
21
12
22
Zb
ON
Stroke
21-22
33-34
11-12
Only NC contacts 11-12 and
21-22 have a certified direct
opening mechanism.
The terminals 11-12, 21-22, and
33-34 can be used as unlike
poles.
11
21
12
22
31
32
Zb
ON
Stroke
11-12
21-22
31-32
Only NC contacts 11-12, 21-22,
and 31-32 have a certified direct
opening mechanism.
The terminals 11-12, 21-22, and
31-32 can be used as unlike
poles.
11
33
12
34
Zb
ON
Stroke
11-12
33-34
Only NC contacts 11-12 have a
certified direct opening
mechanism.
The terminals 11-12 and 33-34
can be used as unlike poles.
33
34
11
21
12
22
Zb
ON
Stroke
11-12
21-22
33-34
Only NC contacts 11-12 and
21-22 have a certified direct
opening mechanism.
The terminals 11-12, 21-22 and
33-34 can be used as unlike poles.
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