Siemens SIRIUS 3SK1 Manual page 22
Industrial controls
safety engineering
safety relays
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Also See for SIRIUS 3SK1:
- Manual (262 pages) ,
- Equipment manual (230 pages) ,
- Instructions manual (14 pages)
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Product overview for 3SK1
3.1 Overview
Expansion units
Designation
3SK1211 output expansion
3SK1213 output expansion
3SK1220 input expansion
3SK1230 power supply
3RM1 Failsafe direct-on-line starters
3RM1 Failsafe reversing starters
x = 1: screw terminals; x = 2: push-in terminals
x = 3 (3RM1 only) hybrid connection method: Control circuit realized as push-in spring-loaded terminal and main circuit
as screw terminal
Overview of the safety-related outputs
Type and number of safety-related outputs
Advanced
Instantaneous
3SK1121-
xAB40
3SK1121-
xCB4x
3SK1122-
xAB40
3SK1122-
xCB4x
3SK1120-
xAB40
Standard
3SK1111-
xAxx0
3SK1112-
xBB40
Output expansions
4RO
3SK1211
3RO
3SK1213
22
Relay
Delayed
3
-
2
2
-
-
-
-
-
-
3
-
-
-
4
3
-
Voltages
24 V AC
24 V DC
110 ... 240 V AC/DC
24 V DC
115 V AC
240 V AC
24 V DC
110 ... 240 V AC/DC
24 V DC
24 V DC
Semiconductors
Instantaneous
Delayed
-
-
-
-
3
-
2
2
1
-
-
-
2
-
-
-
-
-
Manual, 06/2018, A5E02526190021A/RS-AD/004
Article number (MLFB)
3SK1211-xBB00
3SK1211-xBB40
3SK1211-xBW20
3SK1213-xAB40
3SK1213-xAJ20
3SK1213-xAL20
3SK1220-xAB40
3SK1230-xAW20
3RM11..-xAA4
3RM13..-xAA4
Semiconductor
Device
signaling
connectors
circuits
1
✓
-
✓
1
✓
-
✓
-
✓
1
-
1
-
1
✓ (for 24 V DC)
1
✓ (for 24 V DC)
SIRIUS 3SK1 safety relays
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