Siemens SIRIUS 3RW55 soft starters (High Performance), Frame size 5: normal starting (Class 10E), torque control, pump stop, energy measurement and communication module slot. Reduces starting current and mechanical stress of three-phase induction motors; up to 710 kW at 400 V.
Technical data
| Series | 3RW55 (High Performance) |
|---|---|
| Size | Frame size 5 |
| Rated current Ie (40 °C) | 630–1280 A |
| Motor rating (400 V) | up to 710 kW |
| Line voltage | 200–480 V, 200–690 V |
| Control supply voltage | 110–250 V AC, 24 V AC/DC |
| Circuit | Standard (inline) circuit; inside-delta circuit also possible |
| Standard | IEC 60947-4-2 |
Article numbers
| Ie 40 °C (A) | 230 V (kW) | 400 V (kW) | 500 V (kW) | 690 V (kW) | Ie 50 °C (A) | Version | Screw terminals | Spring-loaded terminals |
|---|---|---|---|---|---|---|---|---|
| 630 | 200 | 355 | – | – | 561 | Line 200–480 V, control 24 V AC/DC | 3RW5552-6HA04 | 3RW5552-2HA04 |
| 720 | 200 | 400 | – | – | 641 | Line 200–480 V, control 24 V AC/DC | 3RW5553-6HA04 | 3RW5553-2HA04 |
| 840 | 250 | 450 | – | – | 748 | Line 200–480 V, control 24 V AC/DC | 3RW5554-6HA04 | 3RW5554-2HA04 |
| 1100 | 315 | 560 | – | – | 979 | Line 200–480 V, control 24 V AC/DC | 3RW5556-6HA04 | 3RW5556-2HA04 |
| 1280 | 400 | 710 | – | – | 1139 | Line 200–480 V, control 24 V AC/DC | 3RW5558-6HA04 | 3RW5558-2HA04 |
| 630 | 200 | 355 | – | – | 561 | Line 200–480 V, control 110–250 V AC | 3RW5552-6HA14 | 3RW5552-2HA14 |
| 720 | 200 | 400 | – | – | 641 | Line 200–480 V, control 110–250 V AC | 3RW5553-6HA14 | 3RW5553-2HA14 |
| 840 | 250 | 450 | – | – | 748 | Line 200–480 V, control 110–250 V AC | 3RW5554-6HA14 | 3RW5554-2HA14 |
| 1100 | 315 | 560 | – | – | 979 | Line 200–480 V, control 110–250 V AC | 3RW5556-6HA14 | 3RW5556-2HA14 |
| 1280 | 400 | 710 | – | – | 1139 | Line 200–480 V, control 110–250 V AC | 3RW5558-6HA14 | 3RW5558-2HA14 |
| 630 | 200 | 355 | 400 | 630 | 561 | Line 200–690 V, control 24 V AC/DC | 3RW5552-6HA06 | 3RW5552-2HA06 |
| 720 | 200 | 400 | 500 | 710 | 641 | Line 200–690 V, control 24 V AC/DC | 3RW5553-6HA06 | 3RW5553-2HA06 |
| 840 | 250 | 450 | 560 | 800 | 748 | Line 200–690 V, control 24 V AC/DC | 3RW5554-6HA06 | 3RW5554-2HA06 |
| 1100 | 315 | 560 | 710 | 1000 | 979 | Line 200–690 V, control 24 V AC/DC | 3RW5556-6HA06 | 3RW5556-2HA06 |
| 1280 | 400 | 710 | 900 | 1200 | 1139 | Line 200–690 V, control 24 V AC/DC | 3RW5558-6HA06 | 3RW5558-2HA06 |
| 630 | 200 | 355 | 400 | 630 | 561 | Line 200–690 V, control 110–250 V AC | 3RW5552-6HA16 | 3RW5552-2HA16 |
| 720 | 200 | 400 | 500 | 710 | 641 | Line 200–690 V, control 110–250 V AC | 3RW5553-6HA16 | 3RW5553-2HA16 |
| 840 | 250 | 450 | 560 | 800 | 748 | Line 200–690 V, control 110–250 V AC | 3RW5554-6HA16 | 3RW5554-2HA16 |
| 1100 | 315 | 560 | 710 | 1000 | 979 | Line 200–690 V, control 110–250 V AC | 3RW5556-6HA16 | 3RW5556-2HA16 |
| 1280 | 400 | 710 | 900 | 1200 | 1139 | Line 200–690 V, control 110–250 V AC | 3RW5558-6HA16 | 3RW5558-2HA16 |
Motor ratings refer to standard 4-pole motors and normal starting conditions; for heavy starting select the next larger size. On larger sizes spring-loaded terminals apply to the control circuit only, main conductors are connected via busbars. Contact us for selection support.
Technical data and article numbers are based on Siemens catalog IC 10 · 2026 (chapter 6, soft starters) and are for information only. Image is representative.
For price, stock and lead time, use the Request a Quote button or call +90 533 945 27 94. Sending the article number is enough.
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