3RW4423-1BC44

Belonging to the SIRIUS series, the Siemens model 3RW4423-1BC44 is a soft starter designed to facilitate smooth motor control. It effectively integrates a bypass contact system and comes with thyristors, essential for regulating the power delivered to the motor. This device promotes secure motor operation through features like intrinsic device protection and motor overload protection, which help safeguard the motor against potential damage.

For installation, it employs screw fixing, providing reliable mounting options. The soft starter features three normally open (NO) auxiliary contacts and a single changeover (CO) auxiliary contact, enabling flexible wiring configurations and additional control functionality. Notably, it contains no normally closed (NC) auxiliary contacts.

It is optimized for adjustable current limitation, allowing operators to set specific parameters according to the application needs. The unit has an IP20 rating, indicating that it is suitable for use in environments that do not require extensive protection against dust or moisture. Additionally, it can function effectively at altitudes of up to 5,000 meters above sea level, making it versatile for various installation conditions.