Siemens 3TK2040-0BB4
MPN3TK2040-0BB4
Miniature contactor, Screw terminal, 4 NO Snap-on mounting standard mounting rail 24 VDC DC operation!!! Phased-out product!!! Successor is SIRIUS 3RT23/25
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Contactor frame size | 0 |
| Parameter | Value |
|---|---|
| Control supply voltage type | DC |
| Parameter | Value |
|---|---|
| Main poles | 4 |
| Main NO contacts | 4 |
| Parameter | Value |
|---|---|
| Main circuit connection | screw-type terminals |
| Aux. / control circuit connection | screw-type terminals |
| Mounting method | screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Side-by-side mounting | Yes |
| Parameter | Value |
|---|---|
| Width | 45 mm |
| Height | 48 mm |
| Depth | 68 mm |
MPN
3TK2040-0BB4