Siemens SIRIUS 3SK1

Technical data
13.3 Expansion modules
3SK1 safety relays
230 Manual, 04/2013, A5E02526190021A/RS-AA/01
3SK1211-.BB0. 3SK1211-.BB4. 3SK1211-.BW2.
Switching capacity current
• of the NO contacts of the relay
outputs
– at DC-13
– at 24 V
A
5
– at 115 V
A
0.2
– at 230 V
A
0.1
– at AC-15
– at 115 V
A
4
– at 230 V
A
4
• 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 5
Total current maximum A 12
Mechanical operating cycles as
operating time typical
10 000 000
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
gL/gG: 6A or circuit breaker type A: 3A or circuit breaker type B:
2A or circuit breaker type C: 1A
Cable length between sensor and
electronic evaluation device with
Cu 1.5 mm² and 150 nF/km
maximum
m —