Siemens 3TK2803-0AC2
MPN3TK2803-0AC2
BACK-UP COMBINATION UNIT FOR SAFETY CIRCUITS ENABLING CIRCUIT 2NO AC OPERATION AC 24V 50/60HZ
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Monitoring & inputs
| Parameter | Value |
|---|---|
| Emergency-off circuit monitoring | No |
| Position switch monitoring | No |
| Magnetically operated switch monitoring | No |
| Start input | No |
| Tactile sensor monitoring | No |
| Valve monitoring | No |
| Feedback input | No |
Connection
| Parameter | Value |
|---|---|
| Plug-in socket connection | No |
Approvals
| Parameter | Value |
|---|---|
| UL approval | No |
Other specifications
| Parameter | Value |
|---|---|
| Safety-Related circuits | No |
| Installation environment regarding EMC | This product is suitable for Class A environments only. It can cause undesired radio-frequency interference in residential environments. If this is the case, the user must take appropriate measures. |
MPN
3TK2803-0AC2