Siemens SIRIUS 3SK1

3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
193
Technical data
13
13.1 General technical data
Technical data valid for all 3SK1 products in this manual.
Product brand name SIRIUS
Product designation Safety relay
Version of the product for EMERGENCY STOP and protective doors
IP degree of protection of the enclosure IP20
Touch protection against electric shock Safe from finger-touch
Ambient temperature
• during storage
• during operation
°C -40 ... +80
-25 ... +60
Air pressure
Comply with the instructions given for the
respective device
• according to SN 31205
hPa 900 ... 1060
Relative air humidity
• During operation without condensation
% 10 ... 95
Maximum operating altitude above MSL m 2000
Vibration resistance according to IEC 60068-
2-6
5 ... 500 Hz: 0.75 mm
Degree of pollution 3
Overvoltage category III
Distance to be maintained at the side with
side-by-side mounting
mm 0
Distance to be maintained at the side from
grounded parts
mm 5
DC
avg
average diagnostics coverage level
> 99 %
MTTF
d
Mean Time To dangerous Failure
> 30 years
Item designation
In accordance with DIN 40719, expanded in
accordance with IEC 204-2 and IEC 750
-
Item designation
in accordance with DIN EN 61346-2
F
Hardware failure tolerance
in accordance with IEC 61508
1