Ac motors - Import export

2-phase stepper motors Our 2-phase stepper motors are reliable and low-cost drives with a long service life. They are available in different sizes and types of power output, are continuously developed and are thus suitable for a variety of applications. AC servo motors The AC servo motors meet the highest demands regarding dynamics and accuracy and are used if dynamic, exact positioning or smooth running characteristics are required. The different types of power output and sizes cover the most diverse requirements. The benefits at a glance Highly dynamic High efficiency Long service life

The rectifier with built-in current sensor for fast turn-off is designed for the operation of electromagnetic devices. It ensures fast turn-on and turn-off. The rectifier with bridge circuit comprises a thyristor and timer. During overexcitation, the rectifier delivers bridge rectified output voltage before changing over to half-wave rectification. On the DC side, the output voltage is enabled by the built-in current sensor which measures the AC current of the connected motor. If the motor is stopped, the rectifier turns off on the DC side as soon as the current falls below the turn-off threshold. The turn-off voltage generated by the inductive load is limited. The rectifier is suitable for connection in parallel with AC motors. The current sensor must be wired into the motor current path in such a way that the current flow created when the motor operates in generator mode will not pass through the sensor. This is crucial to avoid delayed or impaired DC side switching.