Siemens 3RW4443-6BC45

The Siemens 3RW4443-6BC45 SIRIUS soft starter is engineered for versatile industrial applications, operating efficiently at 500 V with a standard current rating of 203 A and a power rating of 132 kW. In an inside-delta configuration, its capabilities expand to a current rating of 352 A and a power rating of 250 kW, making it suitable for demanding environments. Designed to function within a temperature range of -40°C, this soft starter ensures reliability in various conditions. The integrated bypass contact system enhances operational safety by allowing for quick fault resolution, while the use of thyristors contributes to its robust performance. Ideal for seamless integration into existing systems, the 3RW4443-6BC45 facilitates efficient motor control and contributes to enhanced productivity.