Siemens SIRIUS 3SK1

Technical data
13.3 Expansion modules
3SK1 safety relays
238 Manual, 04/2013, A5E02526190021A/RS-AA/01
3SK1220-.....
Switching capacity current
• of the NO contacts of the relay outputs
– at DC-13
– at 24 V
A
—
– at 115 V
A
—
– at 230 V
A
—
– at AC-15
– at 115 V
A
—
– at 230 V
A
—
• of the NC contacts of the relay outputs
– at DC-13
– at 24 V
A
—
– at 115 V
A
—
– at 230 V
A
—
– at AC-15
– at 115 V
A
—
– at 230 V
A
—
Thermal current of the contact-affected switching element maximum A —
Total current maximum A —
Mechanical operating cycles as operating time typical —
Max. permissible voltage for safe isolation between electronic
evaluation device and enabling circuit according to EN 60947-1
V —
Design of the fuse link for short-circuit protection of the NO
contacts of the relay outputs required
—
Cable length between sensor and electronic evaluation device with
Cu 1.5 mm² and 150 nF/km maximum
m 1 000
Make time
• with automatic start
– typical
s 0.06
– for DC maximum
s
0.06
– for AC maximum
s
—
– after mains power cut
– typical
s
6.5
– maximum
s
6.5
• with monitored start
– maximum
s 0.06
– typical
s
0.06