Technical Data For 3Sk1122 Advanced Solid-State Time-Delayed Basic Unit - Siemens SIRIUS 3SK1 Manual

13.2.2.5

Technical data for 3SK1122 Advanced solid-state time-delayed basic unit

Insulation voltage rated value
Resistance against shock
Number of sensor inputs 1-channel
or 2-channel
Design of the cascading
Type of the safety-related wiring of
the inputs
Product feature transverse contact-
secure
Safety Integrity Level (SIL)
according to IEC 61508
•
for delayed release circuit
•
according to IEC 61508
Performance Level (PL)
according to ISO 13849-1
•
for delayed release circuit
•
according to ISO 13849-1
Category according to ISO 13849-1
T1 value for proof test interval or
service life according to IEC 61508
Safety device type according to
IEC 61508-2
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
3SK1122-.CB.1
V 50
10g / 11 ms
1
yes
single-channel and two-channel
Yes
SIL3
SIL3
e
e
4
a 20
Type B
3SK1122-.CB.2 3SK1122-.CB.4
Technical data
13.2 Basic units
223