Especificaciones técnicas
Protección y seguridad
| for power supply reverse polarity protection | Yes |
|---|---|
| type of the motor protection | solid-state |
| type of protection function of the overcurrent release | electronic |
| overload protection | Yes |
| motor protection | Yes |
| response value current of instantaneous short-circuit trip unit | 163 A |
| product function short circuit protection | Yes |
| design of the short-circuit trip | magnetic |
| touch protection against electrical shock | IP20 |
| touch protection on the front according to IEC 60529 | finger-safe |
Datos eléctricos
| design of the overcurrent release | electronic |
|---|---|
| power loss [W] for rated value of the current at AC in hot | 3.6 W |
| type of calculation of power loss current-dependent | quadratic |
| for overvoltage category III according to IEC 60664 with | 690 V |
| overvoltage category | 3 |
| surge voltage resistance rated value | 6 kV |
| continuous current rated value | 12 A |
| number of poles for main current circuit | 3 |
| adjustable current response value current of the current | 1.2 ... 12 A |
| type of voltage for main current circuit | AC |
| operational current rated value | 12 A |
| type of voltage of the control supply voltage | DC |
| product extension auxiliary switch | Yes |
| type of voltage for auxiliary and control circuit | DC |
| auxiliary voltage at DC rated value | 24 V |
| inrush current peak for auxiliary voltage at DC at 24 V | 2.5 A |
| duration of inrush current peak for auxiliary voltage at DC | 1 ms |
| closing power at the auxiliary voltage in closing operation | 4W |
| holding power at the auxiliary voltage in holding operation | 0.9 W |
| overcurrent detection 1 phase | Yes |
| undercurrent detection 3 phases | Yes |
| undercurrent monitoring | Yes |
| overcurrent and undercurrent monitoring | Yes |
| undercurrent detection 1 phase | Yes |
| overcurrent detection 3 phase | Yes |
| for main current circuit | spring-loaded terminals |
| type of electrical connection for supply voltage line-side | spring-loaded terminals (push-in) |
| type of voltage of the supply voltage | DC |
| supply voltage at DC rated value | 24 V |
| inrush current peak with supply voltage at DC at 24 V | 1.25 A |
| duration of inrush current peak with supply voltage at DC at | 5 ms |
| power loss [W] at supply voltage at DC at 24 V | 0.5 W |
Entradas/Salidas y comunicación
| type of electrical connection of the communication interface | RJ45 |
|---|
Conexión y cableado
| size of contactor can be combined company-specific | S00 |
|---|---|
| for AWG cables for main contacts | 2x 20 ... 12 |
Condiciones ambientales
| installation altitude at height above sea level maximum | 2 000 m |
|---|
Otras características
| product brand name | SIRIUS |
|---|---|
| design of the product | Standard direct starter |
| product type designation | 3RA8 |
| number of monitored phases | 2 |
| direct starter | Yes |
| product function external reset | Yes |
| product component RESET button | Yes |
| size of the circuit-breaker | S00 |
| size of load feeder | S00 |
| remote firmware update | Yes |
| disconnector functionality | Yes |
| degree of pollution | 3 |
| shock resistance according to IEC 60068-2-27 | 6 g / 11 ms (3 shocks); 10 g / 6 ms (1000 shocks) |
| type of coordination | 1 |
| Net Weight | 1.048 kg |
| relative humidity during operation | 10 ... 95 % |
| design of the switching contact | electromechanical |
| utilization category according to IEC 60947-4-1 | AC-3e |
| operating frequency rated value | 50 ... 60 Hz |
| no-load switching frequency at DC | 3 600 1/h |
| closing delay at DC | 40 ... 110 ms |
| opening delay at DC | 30 ... 50 ms |
| phase failure detection | Yes |
| phase sequence recognition | Yes |
| overload warning | Yes |
| operating hours counter | Yes |
| trip class | CLASS 10E / CLASS 20E; for permissible operating currents, see manual |
| design of the overload release | electronic |
| according to UL 60947 rated value | 600 V |
| mounting position | vertical, on horizontal standard mounting rail |
| fastening method | screw and snap-on mounting onto 35 mm DIN rail |
| mounting rail | Yes |
| height | 198 mm |
| width | 45 mm |
| depth | 131 mm |
| downwards | 10 mm |
| upwards | 20 mm |
| backwards | 0 mm |
| forwards | 0 mm |
| for auxiliary and control circuit | spring-loaded terminals (push-in) |
| solid | 2x (0.5 ... 4 mm²) |
| stranded | 2x (0.5 ... 4 mm²) |
| finely stranded with core end processing | 2x (0.5 ... 2.5 mm²) |
| finely stranded without core end processing | 0.2 ... 1.5 mm² |
| protocol is supported other protocols | Yes |
| product function bus communication | Yes |
| due to burst according to IEC 61000-4-4 | 2 kV |
| due to conductor-earth surge according to IEC 61000-4-5 | 2 kV |
| due to conductor-conductor surge according to IEC | 1 kV |
| due to high-frequency radiation according to IEC 61000 | 10 V |
| field-based interference according to IEC 61000-4-3 | 10 V/m |
| electrostatic discharge according to IEC 61000-4-2 | 8 kV air discharge |
| conducted HF interference emissions according to | Class A for industrial environment |
| minimum permissible | 19.2 V |
| maximum permissible | 28.8 V |
| 1/L1 | 3/L2 |
| 5/L3 | L+ |
| PWR | AUX-PWR |
| X30 | ET-CON |
| X80 DC24V | DC24V -X81 |
| RN ER MT | ST/ AUX- |
| Q11 | A1(+) |
| A2(-) | 2 |
| last modified: | 6/27/2026 |