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D4DS
Operation
Contact Form
Model
D4DS-j5jS
1NC/1NO
D4DS-jAjS 2NC
Note: Terminals are numbered according to EN50013 and contacts are marked according to EN60947-5-1.
Positive Opening Mechanism
1NC/1NO Contact (Slow-action)
Contact spring
Return spring
Only the NC contacts have a positive open-
ing function.
When metal deposition occurs, the contacts
are separated from each other by pushing in
the plunger.
Conforms to EN60947-5-1 Positive Opening
Note: The switches are marked with "
Contact
Zb
11 - 12
11
12
23 - 24
23
24
Zb
11 - 12
11
12
21 - 22
21
22
Fixed contact (NC)
Movable contact
Fixed contact (NO)
Plunger
Diagrams
Stroke
Insertion
Fully-drawn
position
position
ON
Stroke
Insertion
Fully-drawn
position
position
ON
2NC Contact (Slow-action)
Contact spring
Return spring
Both NC contacts incorporate a positive
opening function.
When metal deposition occurs, the contacts
are separated from each other by pushing in
the plunger.
Conforms to EN60947-5-1 Positive Opening
" indicating approval for the positive opening mechanism.
D4DS
Remarks
Only NC contact 11-12 has an
approved positive opening
mechanism.
The terminals 11-12 and 23-24 can
be used as opposing poles.
NC contacts 11-12 and 21-22 have
an approved positive opening
mechanism.
The terminals 11-12 and 23-24 can
be used as opposing poles.
Fixed contact (NC)
Movable contact
Plunger
5
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