3RW4047-1BB14

Designed for optimal motor control, the Siemens 3RW4047-1BB14 soft starter in the SIRIUS series is aimed at applications that require smooth motor startup. It supports a maximum input voltage range of 200 to 480 VAC and a current rating of 106 A, accommodating a variety of industrial applications.

This soft starter operates efficiently at a power rating of 55 kW for systems running at 400 V. The control voltage for operation ranges from 110 to 230 V AC/DC, making it versatile in terms of connectivity and application compatibility. The unit's design includes screw terminals for secure connections, streamlining the installation process.

With an ambient temperature threshold of 40 °C, it stands up well in relatively warm environments. Weighing in at approximately 0.38 kg, the soft starter is lightweight, facilitating ease of installation. The starter employs a soft start method, significantly reducing mechanical stress during motor activation.

Furthermore, the unit is compliant with an IP20 protection class, providing a moderate level of protection against physical damage. It can be conveniently mounted on DIN rails, fitting seamlessly into existing setups. Built-in overload protection enhances safety and reliability, safeguarding the motor during operation. It is particularly suited for applications requiring soft start capabilities for AC motors.