3RW5548-6HA14 Siemens SIRIUS 3RW55 High Performance Soft Starter, 570 A, 200–480 V
The Siemens 3RW5548-6HA14 is a SIRIUS 3RW55 High Performance soft starter for 200–480 V three-phase networks, rated 570 A, with a 110–250 V AC control supply and screw terminals. It is designed for the 400/480 V networks used in most industrial plants. It starts motors up to 315 kW at 400 V in standard (inline) connection, or up to 560 kW at 400 V in inside-delta connection. With an integrated bypass, display, torque control and integrated motor overload protection, it ensures smooth starting and stopping of large three-phase asynchronous motors in demanding applications.
3RW5548-6HA14 Technical Data (Siemens)
| Specification | Value |
|---|---|
| Product | SIRIUS 3RW55 High Performance soft starter |
| Rated operational current Ie (at 40 °C) | 570 A |
| Rated operational voltage Ue | 200–480 V |
| Motor power, standard (inline) connection | 160 kW at 230 V / 315 kW at 400 V |
| Motor power, inside-delta connection | 315 kW at 230 V / 560 kW at 400 V |
| Control supply voltage | 110–250 V AC |
| Terminals | Screw terminals |
| Direction of rotation | One |
| Internal bypass | Yes |
| Display | Yes |
| Torque control | Yes |
| Integrated motor overload protection | Yes, adjustable trip class |
| Rated ambient temperature without derating | 40 °C |
| Degree of protection | IP00 |
| EAN | 4047621042190 |
| Country of origin | Czech Republic |
Why Choose the 3RW55 for Large Motors
- Reduces starting current peaks and voltage dips on the supply network
- Torque control: smooth acceleration and deceleration, ideal for pumps (reduced water hammer) and conveyors
- Integrated bypass: compact design and low heat dissipation once the motor is up to speed
- Inside-delta capability: handles up to 560 kW at 400 V with the same device
- Integrated motor protection: overload protection with adjustable trip class; analog output and thermistor motor protection are standard on the 3RW55
- Built-in display: local parameterisation and diagnostics
- Successor generation: the 3RW55 replaces the 3RW44 series
Typical Applications
- Large pumps in water and wastewater plants
- Fans, blowers and compressors
- Crushers, mills and mixers in mining and cement
- Heavy-duty conveyor drives
SIRIUS 3RW5548 Variants (570 A)
| Order number | Voltage | Control supply | Version |
|---|---|---|---|
| 3RW5548-6HA14 | 200–480 V | 110–250 V AC | Standard, screw terminals |
| 3RW5548-6HA16 | 200–690 V | 110–250 V AC | Standard, screw terminals |
| 3RW5548-6HF14 | 200–480 V | 110–250 V AC | Failsafe, screw terminals |
| 3RW5548-6HF04 | 200–480 V | 24 V AC/DC | Failsafe, screw terminals |
Buy the 3RW5548-6HA14 Siemens from Atlantech Drives
Atlantech Drives supplies genuine Siemens SIRIUS soft starters and motor control components worldwide, with fast shipping. Contact our commercial team for availability, pricing and lead time on the 3RW5548-6HA14. Request your quote today.
