3RH1921-2FC22 - Siemens
MPN3RH1921-2FC22
Auxiliary switch block 22U, 2 NO + 2 NC, EN 50005 spring-type terminal, for motor contactors, Size S0... S12! Phased-out product! Successor is SIRIUS 3RH2
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
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 |
|---|---|
| Mounting method | snap-on mounting |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | -25 ... +60 °C |
| Storage temperature range | -55 ... +80 °C |
Mechanical
| Parameter | Value |
|---|---|
| Width | 44 mm |
| Height | 38 mm |
| Depth | 51 mm |
MPN
3RH1921-2FC22