Siemens SIRIUS 3SK1 Manual page 218

Technical data
13.2 Basic units
Control supply voltage
for DC rated value
•
– minimum
– maximum
at 50 Hz at AC rated value
•
– minimum
– maximum
at 60 Hz at AC rated value
•
– minimum
– maximum
Operating range factor control
supply voltage rated value of the
magnet coil
at 50 Hz for AC
•
at 60 Hz for AC
•
for DC
•
Active power loss typical
Contact reliability of the auxiliary
contacts
Product function parameterizable
Suitability for use device connector
3ZY12
Suitability for interaction pressing
control
Suitability for use
safety cut-out switch
•
monitoring of floating sensors
•
monitoring of non-floating
•
sensors
magnetically operated switches
•
monitoring
safety-related circuits
•
218
3SK1121-.CB.1
V 24
V —
V —
V —
V —
V —
V —
V —
V —
—
—
—
—
0.8
1.2
W 2.5
—
Sensor floating / sensor non-floating, monitored start / autostart, 1-
channel / 2-channel sensor connection, cross-circuit detection,
startup testing, antivalent sensors, 2-hand switches, time delay
Yes
No
Yes
Yes
Yes
Yes
Yes
3SK1121-.CB.2 3SK1121-.CB.4
Manual, 04/2013, A5E02526190021A/RS-AA/01
3SK1 safety relays