3RH1911-1NM31-0MC0 - Siemens
MPN3RH1911-1NM31-0MC0
auxiliary switch, solid-state compatible, on the front, 3 NO + 1 NC, 53/54, 61/62, 73/74, 83/84, current path: 1 NO (solid-state compatible), 1 NC, 1 NO, 1 NO, screw terminal, for 3RT101..-.K...-0LA0
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
Contacts & Poles
| Parameter | Value |
|---|---|
| Auxiliary contact reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
Connection & Mounting
| Parameter | Value |
|---|---|
| Mounting method | snap-on mounting |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | -25 ... +60 °C |
| Storage temperature range | -55 ... +80 °C |
Mechanical
| Parameter | Value |
|---|---|
| Width | 36.5 mm |
| Height | 37.5 mm |
| Depth | 41.5 mm |
Other specifications
| Parameter | Value |
|---|---|
| At 24 V | 0.3 A |
| At 60 V | 0.3 A |
| Suitability for use | Contactor relay and power contactor |
| Instantaneous contact | 3 |
| With core end processing | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| Protection class IP on the front | IP20 |
| Surge voltage resistance rated value | 6 kV |
| At AWG cables for auxiliary contacts | 2x (20 ... 16), 2x (18 ... 14) |
| Mechanical service life (Switching cycles) typical | 5 000 000 |
| Type of electrical connection for auxiliary and control circuit | screw-type terminals |
| Insulation voltage with degree of pollution 3 at AC rated value | 690 V |
MPN
3RH1911-1NM31-0MC0