Siemens SIRIUS 3SK1

Technical data
13.2 Basic units
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
225
3SK1122-.CB.1 3SK1122-.CB.2 3SK1122-.CB.4
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
—
Switching capacity current 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
not required
Cable length between sensor and
electronic evaluation device with
Cu 1.5 mm² and 150 nF/km
maximum
m 1 000