Siemens SIRIUS Soft Starter 3RW4457-6BC46 - 880A @ 690V

The Siemens 3RW4457-6BC46 is a SIRIUS soft starter designed for controlling motor starting and stopping. It is rated for high currents, with standard values of 880 A at 690 V and 60°C, corresponding to a motor power of 900 kW. For applications with within-delta connection, it is suitable for voltages up to 600 V. The starter operates on AC power supply (400-690 V AC) and features 230 V AC control voltage, with screw terminals for connection.

This soft starter is used in industrial applications to reduce mechanical stress on machinery and electrical stress on the power supply by providing a controlled ramp-up and ramp-down of motor speed. It's crucial for applications like conveyor systems, pumps, fans, and compressors where smooth acceleration is required. Industries benefiting from this include general manufacturing, material handling, and water treatment.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW4457-6BC46. As this is a phased-out product, it's an excellent opportunity to source this component for existing systems. We provide reliable surplus parts to keep your operations running.