Product Overview For 3Sk1; Overview - Siemens SIRIUS 3SK1 Manual

Product overview for 3SK1

3.1

Overview

Overview of 3SK1 safety relays
The following tables provide an overview of the 3SK1 safety relays.
3SK1 Standard basic units
Designation
Basic unit 3SK1 Standard instantaneous (with relay outputs)
Basic unit 3SK1 Standard instantaneous (with solid-state outputs)
x = 1: screw terminals; x = 2: push-in terminals
3SK1 Advanced basic units
Designation
Basic unit 3SK1 Advanced instantaneous (with relay outputs)
Basic unit 3SK1 Advanced time-delayed (with relay outputs)
Basic unit 3SK1 Advanced instantaneous (with solid-state outputs)
Basic unit 3SK1 Advanced time-delayed (with solid-state outputs)
Basic unit 3SK1 Advanced 17.5 mm instantaneous (with solid-state
outputs)
x = 1: screw terminals; x = 2: push-in terminals
y = 1: 0.05 ... 3 s; y = 2: 0.5 ... 30 s; y = 4: 5 ... 300 s
3SK1 safety relays
Manual, 04/2013, A5E02526190021A/RS-AA/01
Voltages MLFB
24 V AC/DC 3SK1111-xAB30
110 ... 240 V AC/DC 3SK1111-xAW20
24 V DC 3SK1112-xBB40
Voltages MLFB
24 V DC 3SK1121-xAB40
24 V DC 3SK1121-xCB4y
24 V DC 3SK1122-xAB40
24 V DC 3SK1122-xCB4y
24 V DC 3SK1120-xAB40
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