FN3270H-20-44

Overview

The Schaffner FN3270H-20-44 is a three-phase EMC/RFI line filter designed for industrial motor drive applications. It features a compact, lightweight chassis-mount design with terminal block input and output connections. The unit is rated for 20 A current and operates at 520 VAC up to 60 Hz. Constructed in a Delta (3-wire + ground) configuration, it provides effective filtering of electromagnetic and radio frequency interference. The filter utilizes a single-stage architecture to ensure compliance with emission standards while maintaining low power loss and high efficiency in demanding environments.

Feature Summary

• Compact and lightweight chassis-mount construction optimized for space-constrained installations
• Terminal block input and output termination for secure electrical connections
• Effective attenuation of electromagnetic and radio frequency interference in three-phase systems

Applications

• Industrial motor drive systems
• Regeneration units requiring RFI filtering
• Three-phase power distribution networks

Procurement Notes

Verify the specific part number FN3270H-20-44 against official TE Connectivity / Schaffner documentation to confirm technical specifications. Ensure compatibility with 520 VAC systems and 20 A load requirements. Confirm chassis mounting dimensions and terminal block orientation prior to integration. Cross-reference datasheets for thermal performance and environmental operating limits to guarantee reliable operation under intended conditions.

Selection Notes

Select this component for applications requiring robust three-phase EMI suppression in motor drive contexts. The terminal block interface simplifies wiring compared to screw or solder options. Evaluate spatial constraints due to the ultra-compact form factor. Ensure the 20 A rating aligns with peak and continuous load currents. Verify that the Delta configuration matches the system grounding scheme.

Part Context

This model belongs to the FN3270 series of compact EMC filters manufactured by Schaffner EMC Inc., now part of TE Connectivity. The series is engineered for industrial environments where size and weight are critical factors. Similar models in the range offer varying current ratings and voltage configurations, but this specific part is tailored for 20 A three-phase delta applications.

Replacement Considerations

Consult official manufacturer substitution guides for verified equivalents. Generic cross-references may not match the specific terminal block configuration or compact footprint. Ensure any substitute maintains the 20 A rating and 520 VAC capability without altering the Delta topology.