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 basic units Standard
Designation
3SK1 basic unit Standard instantaneous (with relay outputs)
3SK1 basic unit Standard instantaneous (with semiconductor outputs)
x = 1: screw terminals; x = 2: push-in terminals
3SK1 Advanced basic units
Designation
3SK1 Advanced basic unit instantaneous (with relay outputs)
3SK1 Advanced basic unit time-delayed (with relay outputs)
3SK1 Advanced basic unit instantaneous (with semiconductor outputs)
3SK1 Advanced basic unit time-delayed (with semiconductor outputs)
3SK1 Advanced basic unit 17.5 mm instantaneous (with semiconductor
output)
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
SIRIUS 3SK1 safety relays
Manual, 06/2018, A5E02526190021A/RS-AD/004
Voltages Article number (MLFB)
24 V AC/DC 3SK1111-xAB30
110 ... 240 V AC/DC 3SK1111-xAW20
24 V DC 3SK1112-xBB40
Voltages Article number (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
3
21