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The Schaffner FN5420-710-99-E0XXT is a three-phase sine wave filter designed for variable frequency drive applications. It operates at a maximum voltage of 500 VAC and supports a current rating of up to 710 A. The unit features an IP00 rating and is engineered for Pollution Degree 3 environments. This LC filter functions as an output stage component, specifically intended to mitigate high-frequency switching artifacts generated by inverters before they reach the motor terminals.
Verify that the specific suffix E0XXT matches the required terminal configuration and mounting hardware for your installation. Confirm that the 710 A current rating aligns with the drive's continuous output capabilities. Ensure the 500 VAC rating is compatible with the system bus voltage. Check for any specific certification requirements mandated by local regulatory bodies before finalizing the order.
Select this model when the application requires significant attenuation of high-frequency common-mode and differential-mode noise. The 710 A capacity suits large industrial drives. Consider the physical dimensions and thermal dissipation requirements associated with high-current filters. Ensure the drive's switching frequency falls within the filter's effective attenuation range to prevent resonance issues.
This component belongs to the FN5420 series of sine wave filters manufactured by Schaffner EMC Inc. These units are distinct from standard EMI line filters as they are specifically tuned for LC output filtering in drive systems. The series is designed to handle high power levels while maintaining signal integrity for sensitive motor loads in demanding industrial environments.
Public confirmed substitute part numbers are not available in the provided documentation.