Siemens 3RH1921-1CD10
MPN3RH1921-1CD10
Active
front-side auxiliary switch, 1 NO, leading, screw terminal, for contactors 3RT1
$22.66Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026
How we verify every order →Specifications
Identification
| Parameter | Value |
|---|---|
| Contactor frame size | S0 |
Ratings & Performance
| Parameter | Value |
|---|---|
| Rated value @ 24 V | 10 A |
| Rated value @ 60 V | 4.7 A |
| Rated value @ 110 V | 3 A |
| Rated value @ 220 V | 1.2 A |
Contacts & Poles
| Parameter | Value |
|---|---|
| Auxiliary contact reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
Connection & Mounting
| Parameter | Value |
|---|---|
| Conductor cross-section, solid or stranded | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| Conductor cross-section, finely stranded w/ ferrule | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| Mounting method | snap-on mounting |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | -25 ... +60 °C |
| Storage temperature range | -55 ... +80 °C |
Mechanical
| Parameter | Value |
|---|---|
| Width | 10 mm |
| Height | 38 mm |
| Depth | 51 mm |
MPN
3RH1921-1CD10