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Contact Form
Model
Contact
D4N-@1@
1NC/1NO (Snap-ac-
tion)
D4N-@2@
2NC (Snap-action)
D4N-@A@
1NC/1NO (Slow-ac-
tion)
D4N-@B@
2NC (Slow-action)
D4N-@C@
2NC/1NO (Slow-ac-
tion)
D4N-@D@
3NC (Slow-action)
D4N-@E@
1NC/1NO MBB
(Slow-action)
D4N-@F@
2NC/1NO MBB
(Slow-action)
Note: 1. Terminals are numbered according to EN50013 and the contact forms are according to IEC947-5-1.
2. MBB (Make Before Break) contacts have an overlapping structure, so that before the normally closed contact (NC) opens, the normally
open contact (NO) closes.
D4N
Contact form
Operating pattern
Zb
13
14
13-14
31-32
Stroke
31
32
Zb
11-12
11
12
31-32
Stroke
31
32
Zb
11-12
11
12
33-34
33
34
Stroke
Zb
11-12
11
12
31-32
Stroke
31
32
Zb
11-12
11
12
21-22
21
22
33-34
Stroke
33
34
Zb
11-12
11
12
21-22
31-32
21
22
Stroke
31
32
Zb
11-12
11
12
33-34
33
34
Stroke
Zb
11-12
11
12
21-22
21
22
33-34
Stroke
33
34
Remarks
Only NC contacts 31-32 have an
approved direct opening
mechanism.
ON
The terminals 13-14 and 31-32
can be used as unlike poles.
Only NC contacts 11-12 and
31-32 have an approved
direct opening mechanism.
ON
The terminals 11-12 and 31-32
can be used as unlike poles.
Only NC contacts 11-12 have an
approved direct opening
mechanism.
ON
The terminals 11-12 and 33-34
can be used as unlike poles.
Only NC contacts 11-12 and
31-32 have an approved
direct opening mechanism.
ON
The terminals 11-12 and 31-32
can be used as unlike poles.
Only NC contacts 11-12 and
21-22 have an approved
direct opening mechanism.
ON
The terminals 11-12, 21-22, and
33-34 can be used as unlike
poles.
Only NC contacts 11-12, 21-22,
and 31-32 have an approved di-
rect opening mechanism.
ON
The terminals 11-12, 21-22, and
31-32 can be used as unlike
poles.
Only NC contacts 11-12 have an
approved direct opening
mechanism.
ON
The terminals 11-12 and 33-34
can be used as unlike poles.
Only NC contacts 11-12 and
21-22 have an approved direct
opening mechanism.
ON
The terminals 11-12, 21-22 and
33-34 can be used as unlike poles.
G-227
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