D4N
S
G-135
D4NS
Nomenclature
Structure
D4NS-
@
A
@
, D4NS-
@
B
@
, D4NS-
@
E
@
D4NS-
@
C
@
, D4NS-
@
D
@
, D4NS-
@
F
@
Contact Form (Diagrams Show State with Key Inserted)
Note:
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
D4NS-
@
A
@
1NC/1NO
D4NS-
@
B
@
2NC
D4NS-
@
C
@
2NC/1NO
D4NS-
@
D
@
3NC
D4NS-
@
E
@
1NC/1NO MBB
D4NS-
@
F
@
2NC/1NO MBB
Terminal 12
Terminal 32 (34)
Terminal 31 (33)
Terminal 32 (34)
Terminal 31 (33)
Terminal 22
Terminal 12
Terminal 21
Terminal 11
Terminal 11
Note:
The 2-conduit models have the same terminal arrangement.
Operation
key hole
Head
The head can be mounted
in four directions.
Sealing properties
The switch casing ensures IP67
(except the keyhole, which
ensures IP00). Use the D4NS in
places where the keyhole is free
from oil, water, and metal chips.
11
33
12
34
11-12
33-34
ON
Extraction
completion
position
Operation
Key insertion
completion
position
Stroke
Only NC contacts 11-12 have an
approved direct opening
mechanism.
The terminals 11-12 and 33-34
can be used as unlike poles.
11
31
12
32
11-12
31-32
ON
Extraction
completion
position
Operation
Key insertion
completion
position
Stroke
Only NC contacts 11-12 and
31-32 have an approved
direct opening mechanism.
The terminals 11-12 and 31-32
can be used as unlike poles.
33
34
11
21
12
22
21-22
33-34
11-12
ON
Extraction
completion
position
Operation
Key insertion
completion
position
Stroke
Only NC contacts 11-12 and
21-22 have an approved
direct opening mechanism.
The terminals 11-12, 21-22, and
33-34 can be used as unlike
poles.
11
21
12
22
31
32
11-12
21-22
31-32
ON
Extraction
completion
position
Operation
Key insertion
completion
position
Stroke
Only NC contacts 11-12, 21-22,
and 31-32 have an approved di-
rect opening mechanism.
The terminals 11-12, 21-22, and
31-32 can be used as unlike
poles.
11
33
12
34
11-12
33-34
ON
Extraction
completion
position
Operation
Key insertion
completion
position
Stroke
Only NC contacts 11-12 have an
approved direct opening
mechanism.
The terminals 11-12 and 33-34
can be used as unlike poles.
33
34
11
21
12
22
11-12
21-22
33-34
ON
Extraction
completion
position
Operation
Key insertion
completion
position
Stroke
Only NC contacts 11-12 and
21-22 have an approved direct
opening mechanism.
The terminals 11-12, 21-22 and
33-34 can be used as unlike poles.
F502-EN2-04.book Seite 135 Dienstag, 26. Juli 2005 5:48 17