D4NS

5

Structure and Nomenclature

Structure

Contact Form

Diagrams Show State with Key Inserted.

* 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@

D4NS-

@AF-SJ

1NC/1NO

D4NS-

@B@

D4NS-

@BF-SJ

2NC

D4NS-

@C@

D4NS-

@CF-SJ

2NC/1NO

D4NS-

@D@

D4NS-

@DF-SJ

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

D4NS-

@C@, D4NS-@D@, D4NS-@F@,

D4NS-

@CF-SJ, D4NS-@DF-SJ

D4NS-

@A@, D4NS-@B@, D4NS-@E@,

D4NS-

@AF-SJ, D4NS-@BF-SJ

11

Zb

33

12

34

11-12

33-34

ON

Extraction

completion

position

Operation

Key insertion

completion

position

Stroke

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

11-12

31-32

ON

Extraction

completion

position

Operation

Key insertion

completion

position

Stroke

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

21-22

33-34

11-12

ON

Extraction

completion

position

Operation

Key insertion

completion

position

Stroke

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

11-12

21-22

31-32

ON

Extraction

completion

position

Operation

Key insertion

completion

position

Stroke

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

11-12

33-34

ON

Extraction

completion

position

Operation

Key insertion

completion

position

Stroke

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

11-12

21-22

33-34

ON

Extraction

completion

position

Operation

Key insertion

completion

position

Stroke

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.