SIEMENS
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Siemens IC 10 · 2017
Safety Relays
SIRIUS 3SK Safety Relays
General data
11
■
Technical specifications
SIRIUS 3SK1 safety relays
More information
3SK1 manual,
see
3SK1230 technical specifications,
see
3SK2 manual,
see
FAQs,
see
Article number
3SK1111-
.AB30,
3SK1211-
.BB00,
3SK1211-
.BB40
3SK1111-
.AW20,
3SK1121,
3SK1211-
.BW20
3SK1112
3SK1120
3SK1122
3SK1213
3SK1220
General data:
Width x height x
depth
mm
22.5 x 100 x 121.6
22.5 x 100 x
91.6
17.5 x 100 x
121.6
22.5 x 100 x
121.6
90 x 100 x
121.6
17.5 x 100 x
121.6
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
10
g
/11 ms
5
g
/10 ms
10
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
300
50
300
50
Impulse withstand voltage,
rated value
V
4 000
500
4 000
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
IEC 60947-5-1,
class B
IEC 60947-5-1,
class A
IEC 60947-5-1,
class B
IEC 60947-5-1,
class A
Certificate of suitability
• UL certification
Yes
• TÜV approval
Yes
W
H
D
Article number
3SK1111,
3SK1121-.AB40,
3SK1211
3SK1112,
3SK1122
3SK1120
3SK1121-.CB4.
3SK1213
Switching capacity current
of the NO contacts of the
relay outputs
• At AC-15 at 230 V
A
5
--
3
10
• At DC-13 at 24 V
A
5
--
3
6
Switching capacity current
of the semiconductor outputs
At DC-13 at 24 V
A
--
2
0.5
--
Article number
3SK1111-
.AB30,
3SK1211
3SK1111-
.AW20
3SK1112,
3SK1220
3SK1120,
3SK1122-
.AB40
3SK1121-
.AB40
3SK1121-
.CB4.
3SK1122-
.CB4.
3SK1213
PFHD with high demand rate
according to EN 62061
1/h
1.7 x 10
-9
1.5 x 10
-9
1.0 x 10
-9
1.3 x 10
-9
2.5 x 10
-9
3.7 x 10
-9
1.5 x 10
-9
1.0 x 10
-9
PFDavg at low demand rate
according to IEC 61508
1.0 x 10
-6
7.0 x 10
-6
1.0 x 10
-6
© Siemens AG 2016