Siemens 3RH1921-1HA31
Siemens 3RH1921-1HA31 auxiliary contact block, 3NO+1NC.
This Siemens 3RH1921-1HA31 is supplied brand new by PartLogic for switching, motor protection, starting, control panel builds, machinery maintenance and industrial electrical applications. It forms part of our Industrial automation > Motor control > Contactors > Accessories range and is referenced internally as PartLogic SKU PL26801439803.
Before ordering, please confirm the manufacturer part number, product specifications and compatibility with your existing equipment. If you are replacing a failed, obsolete or hard-to-find part, contact PartLogic and we can help check suitability or source related components.
| product brand name | SIRIUS |
| suitability for use | Contactor relay and power contactor |
| protection class IP on the front | IP20 |
| during storage | -55 ... +80 °C |
| during operation | -25 ... +60 °C |
| mechanical service life (operating cycles) typical | 10 000 000 |
| electrical endurance (operating cycles) at AC-15 at 230 V typical | 200 000 |
| contact reliability of auxiliary contacts | 1 faulty switching per 100 million (17 V, 1 mA) |
| insulation voltage with degree of pollution 3 at AC rated value | 690 V |
| surge voltage resistance rated value | 6 kV |
| instantaneous contact | 13 |
| at 24 V | 10 A |
| at 230 V | 10 A |
| maximum | 10 A |
| — at 125 V | 6 A |
| — at 250 V | 6 A |
| — at 24 V | 6 A10 A |
| — at 230 V | 6 A |
| — at 400 V | 3 A |
| at AC-15 at 690 V rated value | 1 A |
| — at 110 V | 3 A1 A |
| — at 220 V | 1 A0.3 A |
| — at 24 V rated value | 10 A |
| — at 60 V rated value | 10 A3.5 A4.7 A |
| — at 110 V rated value | 4 A10 A1.3 A3 A |
| — at 220 V rated value | 2 A3.6 A0.9 A1.2 A |
| — at 440 V rated value | 1.3 A2.5 A0.2 A0.5 A |
| — at 600 V rated value | 0.65 A1.8 A0.1 A0.26 A |
| — at 60 V | 2 A |
| fastening method | snap-on mounting |
| width | 44 mm |
| height | 38 mm |
| depth | 51 mm |
| type of electrical connection for auxiliary and control circuit | screw-type terminals |
| — with core end processing | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| at AWG cables for auxiliary contacts | 2x (20 ... 16), 2x (18 ... 14) |
| product function mirror contact according to IEC 60947-4-1 | Yes |
| note | with 3RT1 |
| product function positively driven operation according to IEC 60947-5-1 | No |
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