Siemens SIRIUS 3SK1 Manual page 220

Technical data
13.2 Basic units
Design of the input
cascading-input/functional switching
•
feedback input
•
start input
•
Design of the electrical connection jumper socket
Operating cycles maximum
Switching capacity current of the semiconductor outputs at DC-13 at
24 V
Switching capacity current of the NO contacts of the relay outputs
at DC-13
•
– at 24 V
– at 115 V
– at 230 V
at AC-15
•
– at 115 V
– at 230 V
Switching capacity current of the NC contacts of the relay outputs
at DC-13
•
– at 24 V
– at 115 V
– at 230 V
at AC-15
•
– at 115 V
– at 230 V
Thermal current of the contact-affected switching element maximum
Total current maximum
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
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
220
3SK1122-.AB..
Yes
Yes
Yes
No
1/h 2 000
A 2
A —
A —
A —
A —
A —
A —
A —
A —
A —
A —
A —
A —
—
V —
not required
m 1 000
Manual, 04/2013, A5E02526190021A/RS-AA/01
3SK1 safety relays