Recommended Safety Relays - Siemens SINAMICS DCM User Manual

Recommended safety relays

Number Devices
1 EMERGENCY STOP
button
2 Device connector
1 Power supply for 3SK1
1 Safety relay
Basic device advanced
1 Output expansion
1 Device termination con-
nector
Application document for functional safety STO, SS1 (ISO 13849-1)
Compact User Manual, 09/2016, A5E34871844AM
Manufacturer, Details
order number
Siemens EMERGENCY STOP mushroom pushbutton, positive latch-
3SB3000-1HA20 ing, rotate to release
Siemens Contact block with 2 contacts, 2NO, spring-loaded connec-
3SB3403-0D tion, for front panel mounting
Siemens Protective collar for EMERGENCY STOP mushroom
3SB3921-0AX pushbutton, with block, yellow
Siemens (https://mall.industry.siemens.com/mall/de/at/Catalog/Product
3ZY1212-2BA00 /3ZY1212-2BA00)
Device connector for 3SK1 safety relay, 22.5 mm wide, to
electrically connect SIRIUS devices in industrial housings
with mounting rails
Siemens (https://mall.industry.siemens.com/mall/de/at/Catalog/Product
3SK1230-2AW20 /3SK1230-2AW20)
SIRIUS safety relay - power supply for 3SK1 advanced series
Us = 115 - 230 V AC/DC spring-loaded connection
Siemens (https://mall.industry.siemens.com/mall/de/at/Catalog/Product
3SK1121-2CB41 /3SK1121-2CB42)
3SK1121-2CB42 SIRIUS safety relay, basic unit advanced, with time delay
3SK1121-2CB44 0.5-30 s,
4 relay enable circuits (2 NO contacts without delay, 2 NO
contacts, with delay)
Us = 24 V DC, spring-loaded connection
Siemens (https://mall.industry.siemens.com/mall/de/at/Catalog/Product
3SK1211-2BB40 /3SK1211-2BB40)
SIRIUS safety relay, output expansion, 4RO with relay ena-
ble circuits
4 NO contact + relay signaling circuit, 1 NC contact,
Us = 24 V DC, spring-loaded connection
Siemens (https://mall.industry.siemens.com/mall/de/at/Catalog/Product
3ZY1212-2DA00 /3ZY1212-2DA00)
Device termination connector for 3SK1 safety relay, 22.5 mm
wide, to electrically connect SIRIUS devices in industrial
housings with mounting rails
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