Siemens SIRIUS 3SK1

Technical data
13.2 Basic units
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
217
3SK1121-.CB.1 3SK1121-.CB.2 3SK1121-.CB.4
Make time
• with automatic start
– typical
s —
– for DC maximum
s
0.11
– for AC maximum
s
—
– after mains power cut
– typical
s
6.5
– maximum
s
6.5
• with monitored start
– typical
s —
– maximum
s
0.11
Backslide delay time
• after opening of the safety
circuits typical
s
0.04
• at mains power cut
– typical
s 0.03
– maximum
s
0.04
Adjustable backslide delay time
0.05 0.5 5
• after opening of the safety
circuits
s
3 30 300
Recovery time
• after opening of the safety
circuits typical
s
0.03
• after mains power cut typical
s
6.5
Pulse duration
• of the sensor input minimum
s
0.075
• of the ON pushbutton input
minimum
s 0.15
• of the cascading-entrance
minimum
s
—
Type of voltage of the controlled
supply voltage
DC
Control supply voltage frequency
• 1 rated value
Hz
—
• 2 rated value
Hz —