FN3311-400-99-C28-R55

Overview

The Schaffner FN3311-400-99-C28-R55 is a three-phase busbar EMC/EMI power line filter designed for chassis mounting. It features a single-stage configuration with terminal post termination and operates at frequencies up to 60 Hz. The unit supports a continuous current rating of 400 A and a phase-to-phase voltage of 520 V AC, with a phase-to-neutral or ground rating of 300 V AC. Certified by CSA, cURus, and ENEC, it complies with RoHS3 standards.

Feature Summary

• Provides electromagnetic interference suppression in three-phase power systems
• Engineered for high-current industrial applications requiring robust filtering
• Utilizes a compact single-stage design for efficient space utilization

Applications

• Industrial motor drives and variable frequency drives
• High-power manufacturing equipment
• Power distribution units requiring EMI mitigation

Procurement Notes

Verify the specific current and voltage ratings against your system requirements before procurement. Confirm that the chassis mounting style and terminal post connections are compatible with your installation infrastructure. Ensure compliance with local safety regulations and certification requirements such as UL or CE prior to integration into final equipment designs.

Selection Notes

Select this component when high continuous current handling is required alongside effective noise reduction. Compare specifications against similar models in the FN3311 series to ensure the 400 A rating matches the load profile. Consider the physical dimensions and thermal management capabilities to ensure proper integration within the enclosure layout.

Part Context

This model belongs to the Schaffner FN3311 series, which specializes in compact, high-power three-phase filters. These components are engineered for demanding environments where significant current loads must be managed while maintaining strict electromagnetic compatibility standards for sensitive electronic systems.

Replacement Considerations

Consult official manufacturer documentation for verified substitute part numbers. Cross-reference electrical ratings and physical dimensions to ensure functional equivalence without compromising system safety or performance.