SOFT STARTER
3RW Soft Starters
The advantages of the SIRIUS soft starters at a glance:
- Soft starting and smooth ramp-down (soft starting only available for 3RW30)
- Stepless starting
- Reduction of current peaks
- Avoidance of mains voltage fluctuations during starting
- Reduced load on the power supply network
- Reduction of the mechanical load in the operating mechanism
- Considerable space savings and reduced wiring compared with conventional starters
- Maintenance-free switching
- Very easy handling
- Fits perfectly in the SIRIUS modular system
Article No. scheme
Digit of the Article No. | 1.-3. ❒❒❒ | 4. ❒ | 5. ❒ | 6. ❒ | 7. ❒ | – | 8. ❒ | 9. ❒ | 10. ❒ | 11. ❒ | 12. ❒ | – | 13. ❒ | 14. ❒ | 15. ❒ | 16. ❒ |
SIRIUS | 3RW | | | | | | | | | | | | | | | |
SIRIUS soft starter generation(30/40/44) | ❒ | ❒ | | | | | | | | | | | | | |
Size (e.g. for 3RW30/40: 1 = S00, 2 = S0, 3 = S2, 4 = S3, 5 = S6, 7 = S12 ) | ❒ | | | | | | | | | | | | |
Rated operational current I e | ❒ | | | | | | | | | | | |
Connection type (screw terminals/spring-type terminals) | ❒ | | | | | | | | | |
Soft starter functionality (bypass, thermistor, etc.) | ❒ | ❒ | | | | | | | |
Rated control supply voltage U s | ❒ | | | | | | |
Rated operational voltage U e | ❒ | | | | | |
Special versions | ❒ | ❒ | ❒ | ❒ |
Example | 3RW | 4 | 0 | 2 | 4 | - | 1 | B | B | 1 | 4 | | | | | |
Note:
The Article No. scheme is presented here merely for information purposes and for better understanding of the logic behind the article numbers. For your orders, please use the article numbers quoted in the catalog in the Selection and ordering data.
3RW soft starter device comparison
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SIRIUS Soft Starters
Soft Starters SIRIUS 3RW
Technical Info