Siemens 7XT3400-0CA00

The Siemens product with catalog number 7XT3400-0CA00 is a 20 Hz bandpass filter designed specifically for stator earth fault protection, offering full 100% coverage. This filter works by converting the square-wave voltage into smooth sinusoidal signals centered around 20 Hz, which helps in accurately detecting earth faults in the stator winding. It features an internal resistance of approximately 8 ohms, ensuring reliable operation within protective relay systems. Distributed by BSP Automation, this component is well-suited for enhancing the fault detection capabilities of your electrical protection setup.