Siemens 3RH2921-1DA02
MPN3RH2921-1DA02
Active
auxiliary switch, lateral, 2 NC, on the left: 51/52, 61/62, on the right: 31/32, 41/42, current path: 1 NC, 1 NC, screw terminal, for contactors 3RT2 and contactor relays 3RH2
$6.48Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Contactor frame size | S00, S0, S2, S3 |
| 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 |
| Parameter | Value |
|---|---|
| Auxiliary contact reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
| 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 |
| Parameter | Value |
|---|---|
| Operating temperature range | -25 ... +60 °C |
| Storage temperature range | -55 ... +80 °C |
| Parameter | Value |
|---|---|
| Width | 10 mm |
| Height | 57.4 mm |
| Depth | 66 mm |
MPN
3RH2921-1DA02