Softstarter Uwe=3x400V AC, Iwy=44A, Pmax=22kW SF-220

Intelligent motor starting control – soft starter for professional applications

This advanced device is designed for smooth starting of three-phase motors, minimizing inrush currents and mechanical loads. A soft starter is key to extending motor life and optimizing electrical installation performance. It provides not only protection but also control over the starting process, which translates into stability and reliability of the entire system.

Functionality and possibilities

The device offers full three-phase control, and its versatility is confirmed by six available starting characteristic types. This allows precise adjustment of parameters to the specifics of the load and application requirements. The built-in motor overload protection protects against damage caused by excessive load, and underload protection prevents malfunctions when the motor is under too little load. Additionally, the soft starter has overvoltage and undervoltage protection, which increases its resistance to interference in the power supply network.

Precision and control – for demanding installations

The soft starter enables control of torque, current and power during both starting and operation. This provides full control over the process and allows for optimization of energy consumption. The analog current control output and programmable relay outputs enable integration with automation systems and remote control of the device. The error memory facilitates troubleshooting and quick restoration of installation efficiency, and the automatic motor restart function minimizes downtime in the event of temporary power disturbances.

Technical specifications and application

The device operates at a rated voltage of 400 V AC and is adapted to work in an ambient temperature of up to 40°C. The rated operating current of the device is 44 A at this temperature, and the maximum power of a three-phase motor powered by the soft starter is 22 kW. The rated control voltage Us is from 0 to 400 V AC for a frequency of 50 Hz. The lack of a built-in contactor (bypass) means that an appropriate solution must be provided in the installation for long-term motor operation at full voltage. The device is intended for a wide range of applications – from pumps and fans to power tools and industrial machines.