Siemens SIRIUS 3RW4447 Soft Starter (460V, 385A)
Siemens SIRIUS 3RW4447 soft starter, 385A rated at 460V.
The Siemens 3RW4447-6BC34 is a SIRIUS soft starter designed for smooth motor acceleration. At 460V and 50°C, it is rated for 385 Amps in standard configuration and 667 Amps inside-delta, supporting motors up to 300 hp (standard) or 600 hp (inside-delta). It operates on a 200-460V AC power supply and features screw terminals for connection. The unit requires a 115V AC control voltage.
This model is a phased-out product, with the preferred successor being the SIRIUS 3RW5547-6HA14. It's crucial to note this discontinuation when planning for new installations or replacements, though it remains a viable option for existing systems.
Stanlo Automation, a veteran-owned surplus distributor, provides access to the Siemens 3RW4447-6BC34. Secure this essential motor control component while available to maintain or repair your existing equipment. We specialize in delivering quality surplus parts to keep your operations running smoothly.
| Manufacturer | Siemens |
| Part Number | 3RW4447-6BC34 |
| Series | SIRIUS |
| Type | Soft Starter |
| Rated Current (Standard) | 385 A (at 460V, 50°C) |
| Rated Current (Inside-Delta) | 667 A |
| Max Motor Power (Standard) | 300 hp |
| Max Motor Power (Inside-Delta) | 600 hp |
| Voltage | 200-460 V AC |
| Control Voltage | 115 V AC |
| Terminals | Screw |
| Status | Phased-out product |
| Successor | SIRIUS 3RW5547-6HA14 |