Technical data
13.1 General technical data
3SK1 safety relays
196
Manual, 04/2013, A5E02526190021A/RS-AA/01
Device versions:
3SK1213-.AB40
3SK1213-.AJ20
3SK1213-.AL20
Utilization category
Ue (V)
Ie (A)
B10
d
value
(operating cycles)
AC-1
240
10
1370000
AC-15
240
10
1370000
DC-13
24
6
1370000
PFHD and PFDavg values of the 3SK1 safety relays
The table below shows the values of the:
● Average frequency of a hazardous failure of the safety function per hour (PFH) at a high
demand rate in accordance with IEC 61508.
● Average probability of failure of the safety function upon demand (PFDavg) at a low
demand rate in accordance with IEC 61508.
Safety relay
PFH [1/h]
less than
PFDavg
less than
3SK1111-.AB30
1.7 E
-09
1.0 E
-06
3SK1111-.AW20
1.5 E
-09
1.0 E
-06
3SK1112-.BB40
1.0 E
-09
7.0 E
-06
3SK1121-.AB40
2.5 E
-09
7.0 E
-06
3SK1121-.CB41
3.7 E
-09
7.0 E
-06
3SK1121-.CB42
3.7 E
-09
7.0 E
-06
3SK1121-.CB44
3.7 E
-09
7.0 E
-06
3SK1122-.AB40
1.3 E
-09
7.0 E
-06
3SK1122-.CB41
1.5 E
-09
7.0 E
-06
3SK1122-.CB42
1.5 E
-09
7.0 E
-06
3SK1122-.CB44
1.5 E
-09
7.0 E
-06
3SK1120-.AB40
1.3 E
-09
7.0 E
-06
3SK1211-.BB40
1.7 E
-09
1.0 E
-06
3SK1211-.BB00
1.7 E
-09
1.0 E
-06
3SK1211-.BW20
1.7 E
-09
1.0 E
-06
3SK1213-.AB40
1.0 E
-09
1.0 E
-06
3SK1213-.AJ20
1.0 E
-09
1.0 E
-06
3SK1213-.AL20
1.0 E
-09
1.0 E
-06
3SK1220-.AB40
1.0 E
-09
7.0 E
-06
You will find further technical data in the "Technical Data" chapters of each product and in
the "Dimension Drawings" chapter.
Summary of Contents for SIRIUS 3SK1
Page 2: ......
Page 10: ...Table of contents 3SK1 safety relays 10 Manual 04 2013 A5E02526190021A RS AA 01 ...
Page 186: ...Commissioning 3SK1 safety relays 186 Manual 04 2013 A5E02526190021A RS AA 01 ...
Page 258: ...Accessories 3SK1 safety relays 258 Manual 04 2013 A5E02526190021A RS AA 01 ...
Page 260: ...Appendix A 1 Correction sheet 3SK1 safety relays 260 Manual 04 2013 A5E02526190021A RS AA 01 ...
Page 261: ......