
Siemens 3RH2921-2DA20
MPN3RH2921-2DA20
Active
auxiliary switch, lateral, 2 NO, on the left: 53/54, 63/64, on the right: 33/34, 43/44, current path: 1 NO, 1 NO, spring-loaded terminal, for contactors 3RT2 and contactor relays 3RH2
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
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 | 10 mm |
| Height | 64.8 mm |
| Depth | 66 mm |
MPN
3RH2921-2DA20