D4DS
D4DS
5
Operation
Contact Form
Model
Contact
Diagrams
Remarks
D4DS-
j
5
j
S
1NC/1NO
11
12
23
24
Zb
11 - 12
23 - 24
Stroke
ON
Insertion
position
Fully-drawn
position
Only NC contact 11-12 has an
approved positive opening
mechanism.
The terminals 11-12 and 23-24 can
be used as opposing poles.
D4DS-
j
A
j
S
2NC
11
21
12
22
Zb
11 - 12
21 - 22
Stroke
ON
Insertion
position
Fully-drawn
position
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.
Note:
Terminals are numbered according to EN50013 and contacts are marked according to EN60947-5-1.
Positive Opening Mechanism
1NC/1NO Contact (Slow-action)
2NC Contact (Slow-action)
Contact spring
Return spring
Fixed contact (NC)
Movable contact
Plunger
Fixed contact (NO)
Contact spring
Return spring
Fixed contact (NC)
Movable contact
Plunger
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
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
Note:
The switches are marked with “ ” indicating approval for the positive opening mechanism.
