Siemens SIRIUS 3SK1

Product overview for 3SK1
3.1 Overview
3SK1 safety relays
20 Manual, 04/2013, A5E02526190021A/RS-AA/01
Expansion units
Designation Voltages MLFB
24 V AC 3SK1211-xBB00
24 V DC 3SK1211-xBB40
Output expansion 3SK1211
110 ... 240 V AC/DC 3SK1211-xBW20
24 V DC 3SK1213-xAB40
115 V AC 3SK1213-xAJ20
Output expansion 3SK1213
240 V AC 3SK1213-xAL20
Input expansion 3SK1220 24 V DC 3SK1220-xAB40
Power supply 3SK1230 110 ... 240 V AC/DC 3SK1230-xAW20
x = 1: screw terminals; x = 2: push-in terminals
Overview of the enabling circuits
Type and number of enabling circuits
Relay Solid-state
Advanced
Instantaneous Delayed Instantaneous Delayed
Signaling
circuits
Device
connectors
3SK1121-
xAB40
3 - - - 1 ✓
3SK1121-
xCB4x
2 2 - - - ✓
3SK1122-
xAB40
- - 3 - 1 ✓
3SK1122-
xCB4x
- - 2 2 - ✓
3SK1120-
xAB40
- - 1 - - ✓
Standard
3SK1111-
xAxx0
3 - - - 1 -
3SK1112-
xBB40
- - 2 - 1 -
Output expansions
4RO
3SK1211 4 - - 1 ✓ (for 24 V DC)
3RO
3SK1213 3 - - - 1 ✓ (for 24 V DC)