Siemens SIRIUS 3RW4456-6BC44 Soft Starter
Siemens SIRIUS 3RW4456-6BC44 soft starter (phased out).
The Siemens 3RW4456-6BC44 is a SIRIUS soft starter designed for smooth motor acceleration. It offers standard values of 780 A at 400 V and 450 kW, with inside-delta values of 1351 A and 800 kW. The unit operates on an AC voltage range of 200-460 V and features screw terminals. Please note that this is a phased-out product, with the preferred successor being the SIRIUS 3RW5554-6HA14.
This soft starter is crucial for reducing mechanical stress on machinery and electrical stress on the power grid during motor startup. It is commonly used in applications such as pumps, fans, compressors, and conveyors where smooth starts are essential.
Stanlo Automation, your reliable veteran-owned surplus distributor, has this Siemens 3RW4456-6BC44 available. While it's a phased-out model, it can be a cost-effective solution. Consider the successor 3RW5554-6HA14 for new installations.
| Series | SIRIUS |
| Model | 3RW4456-6BC44 |
| Standard Rating (400V) | 780 A, 450 kW |
| Inside-Delta Rating | 1351 A, 800 kW |
| Voltage | 200-460 V AC |
| Terminals | Screw |
| Status | Phased-out |