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The FN3311HVIT-1500-99-C21-R5 is a high-voltage three-phase AC line filter manufactured by Schaffner EMC Inc. It is designed for industrial applications requiring robust electromagnetic interference suppression in power distribution systems. The unit provides attenuation across both differential and common mode noise frequencies to ensure compliance with international emission standards. This specific model integrates high current handling capabilities suitable for heavy-duty machinery, motor drives, and renewable energy inverters where stable operation under high voltage conditions is critical.
Verify the exact part number against official Schaffner documentation to confirm voltage ratings and current specifications match the application requirements. Ensure that the installation environment meets the thermal and mechanical constraints specified in the manufacturer's datasheet. Cross-reference terminal types and mounting configurations with existing infrastructure before procurement to avoid integration issues.
Select this component based on the specific need for three-phase filtering in high-voltage contexts. Evaluate the required attenuation levels against applicable regulatory standards for the target market. Consider the physical footprint and connection methods to ensure compatibility with the system design. Confirm that the rated current exceeds the maximum operational load of the connected equipment to maintain safety margins.
This filter belongs to Schaffner's FN3311 series, which focuses on high-performance EMI suppression for industrial power applications. The series is known for its reliability in harsh electrical environments. The HV designation indicates suitability for high-voltage networks, distinguishing it from standard low-voltage counterparts within the broader product family.
Consult official Schaffner cross-reference guides for verified substitute models. Ensure any alternative maintains identical phase configuration, voltage class, and current capacity. Generic equivalents may not provide the same level of certified performance or durability in high-voltage scenarios.