Siemens SIRIUS 3SK1

Technical data
13.3 Expansion modules
3SK1 safety relays
232 Manual, 04/2013, A5E02526190021A/RS-AA/01
3SK1211-.BB0. 3SK1211-.BB4. 3SK1211-.BW2.
Control supply voltage
• for DC rated value
V
— 24 —
– minimum
V — 110
– maximum
V — 240
• at 50 Hz at AC rated value
V
24 —
– minimum
V — 110
– maximum
V — 240
• at 60 Hz at AC rated value
V
24 —
– minimum
V — 110
– maximum
V — 240
Operating range factor control
supply voltage rated value of the
magnet coil
0.85 — 0.85
• at 50 Hz for AC
1.1 — 1.1
0.85 — 0.85
• at 60 Hz for AC
1.1 — 1.1
— 0.8 0.85
• for DC
— 1.2 1.1
Active power loss typical W 2.5 2
Contact reliability of the auxiliary
contacts
—
Product function parameterizable — undelayed/delayed
(only with system
connector)
—
Suitability for interaction pressing
control
—
Suitability for use device connector
3ZY12
No Yes No
Suitability for use
• monitoring of floating sensors
—
• monitoring of non-floating
sensors
—
• safety cut-out switch
—
• magnetically operated switches
monitoring
—
• safety-related circuits
Yes