Datasheet

SFN4D
6
ds_61408_0000_en_sfn4d: 141106D
The SFN4D safety relay with welded contacts
Condition Illustration of Relay State Condition of Contacts
- NC 5-6 welded.
- Coil energized.
- Armature nearly in
deenergized position.
- All NO contacts are forcibly
guided.
- The NO contact gaps are
min. 0.5mm.
- For NC 16-15, the contact
condition is not defined.
- NC 16-15 welded.
- Coil energized.
- Armature nearly in
deenergized position.
- All NO contacts are forcibly
guided.
- The NO contact gaps are
min. 0.5mm.
- For NC 5-6, the contact
condition is not defined.
- NO 12-11 welded.
- Coil deenergized.
- Armature nearly in
energized position.
- All (both) NC contacts are
forcibly guided.
- The NC contact gaps are min.
0.5mm.
- For all NO contacts, the
contact condition is not
defined.
- NO 14-13 welded.
- Coil deenergized.
- Armature in nearly
energized position.
- All (both) NC contacts are
forcibly guided.
- The NC contact gaps are min.
0.5mm.
- For all NO contacts, the
contact condition is not
defined.
- NO 7-8 welded.
- Coil deenergized.
- Armature in deenergized
position.
- NC 16-15 is closed!!
- All non-welded NO
contacts show their max.
contact gap.
- NC 5-6 forcibly guided to the
welded contact by sub card 1.
The contact gap is min.
0.5mm.
- NO 9-10 welded.
- Coil deenergized.
- Armature in deenergized
position.
- NC 16-15 is closed!!
- All non-welded NO
contacts show their max.
contact gap.
- NC 5-6 forcibly guided to the
welded contact by sub card 2.
The contact gap is min.
0.5mm.
5
6
7
8
9
10 11
12
13
14
15
16
5
6
7
8
9
10 11
12
13
14
15
16
5
6
7
8
9
10 11
12
13
14
15
16
5
6
7
8
9
10 11
12
13
14
15
16
5
6
7
8
9
10 11
12
13
14
15
16
5
6
7
8
9
10 11
12
13
14
15
16