Siemens SIRIUS 3RW4447-6BC36 Soft Starter (Phased Out)

The Siemens SIRIUS 3RW4447-6BC36 is a soft starter designed to reduce the mechanical and electrical stress on motors and equipment during startup. This specific model is rated for values at 575 V and 50 °C with standard operation at 385 A and 400 hp. In an inside-delta connection, it can handle 667 A and 750 hp. It operates on a 400-690 V AC supply voltage and features 115 V AC control voltage and screw terminals.

This product has been phased out by the manufacturer. The preferred successor is the SIRIUS 3RW5 series, with the specific successor model being 3RW5547-6HA16. Soft starters are crucial in applications like conveyors, pumps, and fans to provide smooth acceleration, reduce inrush current, and extend equipment lifespan.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW4447-6BC36. While phased out, we understand the need for replacement parts for existing systems. If you are seeking a successor, please inquire about the 3RW5 series. Stanlo Automation is your source for reliable industrial automation components.