SIEMENS
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Siemens IC 10 · 2017
Safety Relays
SIRIUS 3SK Safety Relays
General data
11
SIRIUS 3SK2 safety relays
Article number
3SK2112-
.AA10
3SK2122-
.AA10
General data:
Width x height x
depth
mm
22.5 x 100 x 124.5
45 x 100 x 124.5
Ambient temperature
• During operation
°C
-25 ... +60
• During storage
°C
-40 ... +80
Installation altitude at height
above sea level maximum
m
2 000
Air pressure
according to SN 31205
kPa
90 ... 106
Shock resistance
15
g
/11 ms
Vibration resistance
according to IEC 60068-2-6
5 ... 500 Hz: 0.75 mm
IP degree of protection of the
enclosure
IP20
Touch protection against
electric shock
Finger-safe
Insulation voltage
Rated value
V
50
Impulse withstand voltage
Rated value
V
800
Safety integrity level (SIL)
according to IEC 61508
SIL 3
Performance Level (PL)
according to EN ISO 13849-1
e
T1 value for proof test interval
or service duration
according to IEC 61508
y
20
EMC emitted interference
according to IEC 60947-1
Class A
Certificate of suitability
• UL certification
Yes
• TÜV approval
Yes
Switching capacity current
of the semiconductor outputs
At DC-13 at 24 V
4
PFHD with high demand rate
according to EN 62061
1/h
1.0 x 10
-8
1.2 x 10
-8
PFDavg at low demand rate
according to IEC 61508
1.5 x 10
-5
1.8 x 10
-5
W
H
D
© Siemens AG 2016