The Siemens 5TT4105-3 is an impulse relay with one NO and one NC contact for AC 230/400 V circuits at 16 A, with a 12 V AC coil supply. DIN-rail mounted, one module wide with a 70 mm built-in depth, rated for 2000 W incandescent load and 500 VA fluorescent lamp load. Suitable for centralised lighting control from momentary push buttons.
| Manufacturer part number (MPN) | 5TT4105-3 |
| EAN / GTIN | 4001869312514 |
| Sales unit | pcs |
| Voltage | 400 V |
| Rated current | 16 A |
| Contact configuration | 1 NO + 1 NC |
| Mounting method | DIN rail |
| Function | Mechanical switch |
| Built-in depth | 70 mm |
| Width in number of modular spacings | 1 |
| Type of control voltage 1 | AC |
| Type of control voltage 2 | AC/DC |
| Suitable for manual operation | Yes |
| Voltage type (supply voltage) | AC |
| Max. switching current (cos phi = 0.6) | 16 A |
| Max. incandescent lamp load | 2000 W |
| Max. load fluorescent lamp | 500 VA |
| Rated switch current | 16 A |
| Number of contacts as normally closed contact | 1 |
| Number of contacts as normally open contact | 1 |
| Country of origin | Germany |
| MOQ | 1 |