Panasonic is part of a large worldwide groupselling relays and associated switching products under different brand names in different territories.The conditions of use in some territories may differ from those customary in Europe. In particular there are often major differences in regard to national and international specifications, such as UL, CSA, VDE, SEV, EVE, SEMKO, etc. Thus, when considering contact loads as stated in this catalogue (e.g. 10 A, 30 VDC for the SP relay) its hould be understood that these values are not necessarily an absolute maximum but tested ratings. Mostly the stated value has been tested for a certain life expectancy as stated by the manufacturer or the respective test house. Thus, under different conditions, the stated “maximum” may, in practice, be safely exceeded.
Armature nearly
energized position.
For 5-6, the contact
condition not defined.
- 9-10 welded.
■NO 7-8 welded. 0.
Coil energized.
15 5-6 forcibly guided the
welded contact sub card 2.
7
,/ 9"
Y 14
CO
M 0
h
13
- 16-15 closed!!
- All non-w elded NO
contacts show eir ax.
- Armature nearly in
deenergized position.
Armature nearly in
deenergized position.
\ 6
9 121 16
10 15
- All contacts are forcibly
guided.
The contact gaps are min.
The contact gaps are min.
■Coil deenergized.5mm.
- Coil deenergized.
7 14
| 10
t t
13
' v
All contacts are forcibly
guided.
16 contact gap.
The contact gap min.
■NC 16-15 welded.
■Armature deenergized
position.
For all contacts, the
contact condition not
defined.5mm.
Armature nearly in
energized position.
The contact gaps are
min.5mm.
For all contacts, the
contact condition not
defined.
■NO 12-11 welded.
Coil deenergized.
0.
- The contact gaps are
min.
0.5mm.
The contact gap min.
11 5-6 forcibly guided the
welded contact sub card 1.
- For 16-15, the contact
condition not defined.
1 1
5 14
6 3
1 1
All (both) contacts are
forcibly guided.
5 ,
6 (0
N
7 9
- 16-15 closed!!
- All non-w elded NO
contacts show their ax.
- Armature deenergized
position.
5 Njl4 <L
, ,
9 14
6 /13
All (both) contacts are
forcibly guided.
- Coil energized.
ds 61408 sfn4d: 130312D 589
5 7
8
Safety
.
Coil deenergized.
0. 0.5mm.
■NO 14-13 welded.5mm.SFN4D
The SFN4D safety relay with welded contacts
Condition Illustration Relay State Condition Contacts
- 5-6 welded.
12 contact gap.
0
