FN3271H-400-99

Overview

The Schaffner FN3271H-400-99 is a three-phase EMC/RFI power line filter designed for high-current industrial applications. It features a rated current of 400 A and operates at voltages up to 520 VAC with a frequency range of 0 Hz to 60 Hz. The unit utilizes busbar termination for both input and output connections, supporting Delta (3 wire + ground) wiring configurations. Designed for chassis mounting, it measures 246.5 mm in length, 86 mm in height, and includes certifications such as UL, CSA, and IEC/EN standards.

Feature Summary

• Compact and lightweight design minimizes installation space requirements within equipment cabinets.
• Robust busbar termination style ensures secure electrical connections for high-current loads.
• Facilitates rapid assembly through simple installation procedures compatible with manual and automated tools.

Applications

• Industrial motor drives and variable frequency drive systems
• High-power renewable energy inverters
• Large-scale industrial automation machinery

Procurement Notes

Verify the specific part number against official TE Connectivity or Schaffner documentation to confirm compatibility with your system's voltage and current requirements. Ensure that the busbar termination style matches your existing infrastructure. Cross-reference certification marks such as UL and CSA with local regulatory standards before finalizing procurement decisions.

Selection Notes

Select this component when high current capacity of 400 A is required alongside compact physical dimensions. The busbar interface is critical for low-inductance connections in high-power scenarios. Consider the chassis mounting requirement and ensure adequate clearance for thermal management within the designated enclosure space.

Part Context

This model belongs to the FN3271 series, which focuses on compact filtering solutions for demanding industrial environments. The series is engineered to provide effective electromagnetic interference suppression while maintaining a small footprint, making it suitable for space-constrained high-power applications where reliability is paramount.

Replacement Considerations

Consult official manufacturer substitution guides for verified equivalents. Generic cross-references may not match the specific busbar configuration or current rating requirements of this high-power unit.

FAQ

What is the maximum operating voltage for this filter?

The maximum operating voltage rating is 520 VAC.

Does this filter support single-phase applications?

No, this is a three-phase filter designed specifically for three-wire plus ground configurations.