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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 (690 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 | 1W |
|---|---|
| type of calculation of power loss current-dependent | quadratic |
| maximum permissible voltage for protective separation between | 400 V |
| number of poles for main current circuit | 3 |
| limited to 1 s switching at zero current maximum | 937 A; Use minimum cross-section acc. to AC-1 rated value |
| limited to 5 s switching at zero current maximum | 697 A; Use minimum cross-section acc. to AC-1 rated value |
| limited to 10 s switching at zero current maximum | 468 A; Use minimum cross-section acc. to AC-1 rated value |
| limited to 30 s switching at zero current maximum | 282 A; Use minimum cross-section acc. to AC-1 rated value |
| limited to 60 s switching at zero current maximum | 229 A; Use minimum cross-section acc. to AC-1 rated value |
| type of voltage | DC |
| type of voltage of the control supply voltage | DC |
| control supply voltage at DC rated value | 24 V |
| inrush current peak | 3A |
| duration of inrush current peak | 50 µs |
| pickup current mean value | 1A |
| pickup current peak | 2.6 A |
| duration of pickup current | 230 ms |
| holding current mean value | 40 mA |
| closing power of magnet coil at DC | 23 W |
| holding power of magnet coil at DC | 1W |
| operational current at AC-12 maximum | 10 A |
| for main current circuit | screw-type terminals |
Conexión y cableado
| size of contactor | S2 |
|---|---|
| for AWG cables for main contacts | 2x (18 ... 2), 1x (18 ... 1) |
| for AWG cables for auxiliary contacts | 2x (20 ... 14) |
| AWG number as coded connectable conductor cross | 18 ... 1 |
Condiciones ambientales
| installation altitude at height above sea level maximum | 2 000 m |
|---|---|
| up to 690 V at ambient temperature 40 °C rated | 70 A |
| up to 690 V at ambient temperature 60 °C rated | 60 A |
Prestaciones y durabilidad
| B10 value with high demand rate according to SN 31920 | 1 000 000 |
|---|
Otras características
| product brand name | SIRIUS |
|---|---|
| design of the product | With extended operating range |
| product type designation | 3RT2 |
| auxiliary switch | Yes |
| Net Weight | 1.11 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 |
| up to 40 °C according to IEC 60077 rated value | 70 A |
| up to 70 °C according to IEC 60077 rated value | 55 A |
| initial value | 0.7 |
| full-scale value | 1.25 |
| design of the surge suppressor | with varistor |
| arcing time | 10 ... 20 ms |
| control version of the switch operating mechanism | Standard A1 - A2 |
| number of NC contacts for auxiliary contacts | 1 |
| instantaneous contact | 1 |
| number of NO contacts for auxiliary contacts | 1 |
| contact rating of auxiliary contacts according to UL | A600 / P600 |
| fastening method side-by-side mounting | Yes |
| height | 114 mm |
| width | 55 mm |
| depth | 130 mm |
| forwards | 10 mm |
| upwards | 10 mm |
| downwards | 10 mm |
| for auxiliary and control circuit | spring-loaded terminals |
| solid or stranded | 2x (1 ... 35 mm²), 1x (1 ... 50 mm²) |
| finely stranded with core end processing | 2x (1 ... 25 mm²), 1x (1 ... 35 mm²) |
| finely stranded without core end processing | 2x (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 |
| ates/Test Report | ate |
| other | Railway |
| ate | ates/Test Report |
| 3/L2 | 5/L3 |
| 13 NO | 21 NC |
| 6/T3 | 22 NC |
| last modified: | 5/29/2026 |
Accesorios
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