Especificaciones técnicas
Protección y seguridad
| design of the miniature circuit breaker for short-circuit protection | C characteristic: 10 A; 0.4 kA |
|---|---|
| for short-circuit protection of the auxiliary switch required | gG: 10 A (500 V, 1 kA) |
| device type according to ISO 13849-1 | 3 |
| overdimensioning according to ISO 13849-2 necessary | Yes |
| safety device type according to IEC 61508-2 | Type A |
| protection class IP on the front according to IEC 60529 | IP20 |
| touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front |
Datos eléctricos
| without load current share typical | 0.9 W |
|---|---|
| type of calculation of power loss current-dependent | quadratic |
| maximum permissible voltage for protective separation between | 690 V |
| number of poles for main current circuit | 3 |
| up to 230 V for current peak value n=20 rated value | 84.4 A |
| up to 400 V for current peak value n=20 rated value | 84.4 A |
| up to 500 V for current peak value n=20 rated value | 84.4 A |
| up to 690 V for current peak value n=20 rated value | 58 A |
| up to 230 V for current peak value n=30 rated value | 56.3 A |
| up to 400 V for current peak value n=30 rated value | 56.3 A |
| up to 500 V for current peak value n=30 rated value | 56.3 A |
| up to 690 V for current peak value n=30 rated value | 56.3 A |
| limited to 1 s switching at zero current maximum | 1 725 A; Use minimum cross-section acc. to AC-1 rated value |
| limited to 5 s switching at zero current maximum | 1 297 A; Use minimum cross-section acc. to AC-1 rated value |
| limited to 10 s switching at zero current maximum | 946 A; Use minimum cross-section acc. to AC-1 rated value |
| limited to 30 s switching at zero current maximum | 610 A; Use minimum cross-section acc. to AC-1 rated value |
| limited to 60 s switching at zero current maximum | 486 A; Use minimum cross-section acc. to AC-1 rated value |
| type of voltage of the control supply voltage | DC |
| control supply voltage at DC rated value | 24 V |
| inrush current peak | 2.7 A |
| duration of inrush current peak | 50 µs |
| pickup current mean value | 0.9 A |
| pickup current peak | 2.1 A |
| duration of pickup current | 150 ms |
| holding current mean value | 40 mA |
| closing power of magnet coil at DC | 25 W |
| holding power of magnet coil at DC | 0.9 W |
| operational current at AC-12 maximum | 10 A |
| for main current circuit | screw-type terminals |
Conexión y cableado
| size of contactor | S3 |
|---|---|
| for AWG cables for main contacts | 2x (10 ... 1/0), 1x (10 ... 2/0) |
| for AWG cables for auxiliary contacts | 2x (20 ... 16), 2x (18 ... 14) |
| AWG number extended as coded connectable conductor | 10 ... 2/0 |
| AWG number as coded connectable conductor cross | 20 ... 14 |
Condiciones ambientales
| installation altitude at height above sea level maximum | 2 000 m |
|---|---|
| up to 690 V at ambient temperature 40 °C rated | 130 A |
| up to 690 V at ambient temperature 60 °C rated | 110 A |
Prestaciones y durabilidad
| B10 value with high demand rate according to SN 31920 | 1 000 000 |
|---|
Otras características
| product brand name | SIRIUS |
|---|---|
| product type designation | 3RT2 |
| auxiliary switch | Yes |
| Net Weight | 1.885 kg |
| relative humidity minimum | 10 % |
| relative humidity at 55 °C according to IEC 60068-2-30 | 95 % |
| number of NO contacts for main contacts | 3 |
| number of NC contacts for main contacts | 0 |
| initial value | 0.8 |
| full-scale value | 1.2 |
| design of the surge suppressor | with varistor |
| arcing time | 10 ... 20 ms |
| control version of the switch operating mechanism | Standard A1 - A2 |
| design of the auxiliary switch | on the front, non-detachable |
| contact reliability of auxiliary contacts | 1 faulty switching per 100 million (17 V, 1 mA) |
| contact rating of auxiliary contacts according to UL | A600 / P600 |
| fastening method side-by-side mounting | Yes |
| height | 140 mm |
| width | 70 mm |
| depth | 195 mm |
| forwards | 20 mm |
| upwards | 10 mm |
| downwards | 10 mm |
| for auxiliary and control circuit | screw-type terminals |
| finely stranded with core end processing | 2x (2.5 ... 35 mm²), 1x (2.5 ... 50 mm²) |
| solid | 2.5 ... 16 mm² |
| stranded | 6 ... 70 mm² |
| solid or stranded | 0.5 ... 2.5 mm² |
| mirror contact according to IEC 60947-4-1 | Yes |
| suitable for safety function | Yes |
| suitability for use safety-related switching OFF | Yes |
| service life maximum | 20 a |
| test wear-related service life necessary | Yes |
| failure rate [FIT] with low demand rate according to SN | 100 FIT |
| A1 + | 1/L1 |
| 3/L2 | 5/L3 |
| 13 NO | 21 NC |
| 31 NC | 43 NO |
| 14 NO | 22 NC |
| 32 NC | 44 NO |
| 4/T2 | 6/T3 |
| last modified: | 4/4/2026 |